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65
Highlights
67
Differences
5
Reactions
0
Likes
Alen BreatheSmart FLEX
vs
Levoit Core 400S :
65 Highlights & 67 Differences —
So, Which Air Purifier Actually Works Better
Looking for an air purifier? We break down coverage, noise, and warranty so you can pick what fits your space and style.
We ran a full comparison of Alen BreatheSmart FLEX and Levoit Core 400S — diving into width, package width, package depth & package weight, standout features, and what makes each air purifier unique.
Alen BreatheSmart FLEX vs Levoit Core 400S: Comprehensive Air Purifier Comparison
Both the Alen BreatheSmart FLEX and the Levoit Core 400S are well-designed tower-style air purifiers tailored for residential use, particularly in bedrooms and offices. Each features a three-stage HEPA filtration system targeting common indoor pollutants such as smoke, dust, and pollen. While both models emphasize air quality improvement using HEPA and activated carbon filters, their core differences revolve around coverage area, innovative features, noise levels, and user interface design. The Alen BreatheSmart FLEX impresses with a larger recommended room size and a focus on quiet operation and eco-friendly materials. In contrast, the Levoit Core 400S shines with smart connectivity, advanced air quality sensing, and a more versatile control system.
The Alen BreatheSmart FLEX is designed for users who need robust air purification across larger spaces, supporting a room size of up to 700 square feet. Its tower form factor stands taller at 25 inches and weighs 15 pounds, giving it a solid, stable presence ideal for bedrooms or offices. The FLEX distinguishes itself with a significant smoke CADR of 187, making it especially effective against smoke particulates.
One of the FLEX's standout traits is its whisper-quiet operation at low and average fan speeds; operating as silently as 25 dB, it suits noise-sensitive environments perfectly. It includes essential operational features like a timer function and sleep mode, all controlled via a straightforward touch interface located at the front. This simplicity appeals to users wanting hassle-free control without the complexity of apps or smart integrations.
Levoit Core 400S: Smart Features and Safety Wrapped in a Compact Design
The Levoit Core 400S is tailored for tech-savvy users who crave smart connectivity and advanced monitoring. Though it covers a smaller area of 403 square feet, it's equipped with a robust CADR of 260, which maintains consistent high ratings across smoke, pollen, and dust categories, making its filtration highly efficient overall.
Its control versatility is another hallmark feature. Besides touch controls, it provides mobile app management, full WiFi connectivity, and integration with voice assistants such as Alexa and Google Assistant, plus IFTTT support. This degree of smart home compatibility makes it a flexible choice for tech enthusiasts seeking centralized control.
Portability is enhanced by built-in handles and wheels, allowing effortless relocation across rooms. Safety is a priority as well, with protections against overheat, tipover, and power surges, plus a power failure memory function to resume original settings after outages.
The Levoit's premium matte ABS plastic finish and compact 20.5-inch height make it an unobtrusive yet modern addition to living rooms, nurseries, or offices. The LED display and child lock features provide extra convenience and safety not found on the FLEX.
Quick Take
The Alen BreatheSmart FLEX is a powerhouse for larger spaces, emphasizing quiet operation, eco-conscious build, and a lifetime warranty that caters to those valuing simplicity and durability. Meanwhile, the Levoit Core 400S focuses on smart technology, safety, and superior overall CADR in a compact and portable design, appealing to users who want cutting-edge monitoring and app-driven control.
Closing Recommendation
If you prioritize broad coverage, quieter average noise, and eco-friendly materials paired with a worry-free lifetime warranty, the Alen BreatheSmart FLEX stands out as the ideal choice. On the other hand, if your preferences include smart home integration, advanced air quality sensors, portable design, and active safety features, all wrapped at a budget-friendly price, the Levoit Core 400S delivers exceptional value and versatility.
Verdict
Winner: Alen BreatheSmart FLEX - Best for extensive room coverage, quieter average noise, and long-term peace of mind with its lifetime warranty and eco-friendly design.
Runner-up: Levoit Core 400S - Strong contender for smart home enthusiasts seeking integrated sensors, app control, portability, and enhanced safety protections.
Side by side. The numbers. The features. No drama.
Looking for a smart comparison between Alen BreatheSmart FLEX and Levoit Core 400S ? We lined up every useful detail — from specs and user reviews to pros, cons, and pricing — so you can see how these air purifiers really compare in the wild.
Recommended Room Size: Alen supports 700 sq ft while Levoit supports 403 sq ft. Alen is better for larger rooms by almost 297 sq ft (27.6 m²), ideal for bigger spaces.
The ideal room area for optimal purification performance.
In the battle of Recommended Room Size,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
297.0 sq ft
measurement.
Based on community votes for Recommended Room Size,
Alen BreatheSmart FLEX ◉ earned
1 votes,
more than
Levoit Core 400S ◉,
which got 0 votes.
30
Levoit Core 400S
0Votes
Bedroom, Living Room, Office, Nursery
vs
Intended Room Type
Intended Room Type: Alen targets Bedroom and Office, Levoit covers Bedroom, Living Room, Office, and Nursery. Levoit suits more versatile room types.
Specifies what kind of room the air purifier is designed for.
In the battle of Intended Room Type,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Intended Room Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Design Style: Both have a Modern design style, offering sleek aesthetics suitable for contemporary homes.
The visual and structural style of the purifier’s exterior.
In the battle of Design Style,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Design Style on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Product Series: Alen belongs to BreatheSmart series, Levoit to Core series. Series branding reflects target user preferences and feature sets.
Indicates which product line or series the model belongs to.
In the battle of Product Series,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
5 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Series on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Technology Type
What technology does it use?
46
Alen BreatheSmart FLEX
0Votes
HEPA
49
Levoit Core 400S
0Votes
HEPA, Activated Carbon
Alen BreatheSmart FLEX
Uses True HEPA filtration to capture 99.97% of airborne particles as small as 0.3 microns, including allergens, dust, and pet dander.
The primary purification technologies used by the unit.
In the battle of Technology Type,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Technology Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Form Factor
What is the form factor?
46
Alen BreatheSmart FLEX
0Votes
Tower
46
Levoit Core 400S
0Votes
Tower
Alen BreatheSmart FLEX
A tower design allows for easy placement in corners or against walls, optimizing airflow.
The overall shape and layout of the device.
In the battle of Form Factor,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Form Factor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Control Type
What control types are available?
66
Alen BreatheSmart FLEX
0Votes
Touch
66
Levoit Core 400S
0Votes
Touch, Remote, App
Alen BreatheSmart FLEX
Features a touch-sensitive control panel for easy and intuitive operation.
The methods available to operate the device.
In the battle of Control Type,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Control Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Display Type
What is the display type?
0
Alen BreatheSmart FLEX
0Votes
None
66
Levoit Core 400S
0Votes
LED
Alen BreatheSmart FLEX
No display included, keeping the design minimalist and focused on performance.
The kind of display interface provided.
In the battle of Display Type,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
66 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Display Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
The official name or model identifier of the air purifier.
In the battle of Model Name,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Model Name on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Model Type
What type of model is this?
56
Alen BreatheSmart FLEX
0Votes
Console
86
Levoit Core 400S
0Votes
Tower
The structural style or type of the air purifier.
In the battle of Model Type,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
30 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Model Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Release Year
What year was it released?
81
Alen BreatheSmart FLEX
0Votes
2021
81
Levoit Core 400S
0Votes
2021
The year the model was first released to market.
In the battle of Release Year,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Release Year on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Color Options
What color options are offered?
67
Alen BreatheSmart FLEX
0Votes
White
70
Levoit Core 400S
0Votes
White
Available color variations for this model.
In the battle of Color Options,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Color Options on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Country Of Origin
What is the country of origin?
56
Alen BreatheSmart FLEX
0Votes
CN
56
Levoit Core 400S
0Votes
CN
The country where the product was manufactured.
In the battle of Country Of Origin,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Country Of Origin on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Package Width: Alen package width is 15.5 inches; Levoit 10.8 inches. Alen’s packaging is 4.7 inches wider, impacting shipping and storage.
The width of the product packaging.
In the battle of Package Width,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
higher
4.7 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Width on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Package Depth: Alen 9 inches; Levoit 10.8 inches. Levoit’s package is 1.8 inches deeper, slightly more bulky.
The depth of the product packaging.
In the battle of Package Depth,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
lower
1.8 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Depth on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Package Weight: Both weigh 15.5 lbs packaged, meaning similar handling and shipping weight.
The total shipping weight including packaging.
In the battle of Package Weight,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
, delivering
equal
15.50 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Weight on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Depth
What is the depth?
8.5
inch
0Votes
10.8
inch
0Votes
Alen BreatheSmart FLEX
Approximately 21.6 cm deep, a slim design that doesn't take up much space.
Levoit Core 400S
27.4 cm deep, with a balanced design that fits neatly in corners or alongside furniture.
The front-to-back measurement of the purifier.
In the battle of Depth,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
lower
2.3 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Depth on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Height
What is the height?
25
inch
0Votes
20.5
inch
0Votes
Alen BreatheSmart FLEX
Roughly 63.5 cm tall, about the height of a medium-sized bookshelf.
Levoit Core 400S
52.1 cm tall, providing ample coverage without being too bulky.
The total vertical measurement from base to top.
In the battle of Height,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
4.5 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Height on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Weight
What is the weight?
15
lbs
0Votes
14.12
lbs
0Votes
Alen BreatheSmart FLEX
Equivalent to about 6.8 kg, making it light enough to be moved around when necessary.
Levoit Core 400S
Weighs 6.4 kg, making it easy to move around without being overly heavy.
The total weight of the air purifier unit.
In the battle of Weight,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
higher
0.9 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Weight on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Package Height
What is the package height?
25.5
inch
0Votes
20.5
inch
0Votes
Levoit Core 400S
The package height mirrors the purifier’s height, providing a balanced package for shipping.
The height of the product packaging.
In the battle of Package Height,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
higher
5.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Height on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Base Diameter
What is the base diameter?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
Who knows?
0Votes
Levoit Core 400S
(Help us out by suggesting one!)
The circular base width for tower-style purifiers.
Don’t keep it to yourself — be the first to react and review the
Base Diameter on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Clean Air Delivery Rate: Alen has 225 cfm, Levoit 260 cfm. Levoit delivers 35 cfm more clean air, better for quicker purification.
Measures the total air cleaning rate in cubic feet per minute.
In the battle of Clean Air Delivery Rate,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
35.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
Clean Air Delivery Rate on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Maximum Coverage Area: Alen 700 sq ft max, Levoit 403 sq ft max. Alen is better for extensive coverage needs.
The largest possible area where the air purifier remains effective.
In the battle of Maximum Coverage Area,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
297.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Coverage Area on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Noise Level Max: Alen max noise 50 dB, Levoit 45.3 dB. Levoit is 4.7 dB quieter, better for maximum speed use.
Maximum noise level at highest fan speed.
In the battle of Noise Level Max,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
higher
4.7 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Max on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Power Consumption: Alen uses 50 Watts, Levoit 38 Watts. Levoit is more energy efficient, saving electricity costs.
Average electrical power used during operation.
In the battle of Power Consumption,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
higher
12.0 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Consumption on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
CADR Smoke
What is the CADR for smoke?
187
cfm
1Votes
260
cfm
0Votes
Alen BreatheSmart FLEX
CADR (Clean Air Delivery Rate) for smoke is 187 cfm, a solid rating for smoke removal in medium-sized rooms.
Levoit Core 400S
With a CADR of 260 cfm for smoke, it effectively filters air in environments exposed to tobacco or cooking smoke.
Smoke-specific clean air delivery rate.
In the battle of CADR Smoke,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
73.0 cfm
measurement.
Based on community votes for CADR Smoke,
Alen BreatheSmart FLEX ◉ earned
1 votes,
more than
Levoit Core 400S ◉,
which got 0 votes.
I really appreciate the higher activated carbon amount on the Alen BreatheSmart FLEX as it seems better for trapping odors and chemicals which is super important in my home.
See more
CADR Pollen
What is the CADR for pollen?
135
cfm
0Votes
260
cfm
0Votes
Alen BreatheSmart FLEX
CADR for pollen is 135 cfm, efficiently removing allergens from the air.
Levoit Core 400S
Ideal for reducing airborne pollen, making it a solid choice for allergy sufferers.
Pollen-specific clean air delivery rate.
In the battle of CADR Pollen,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
125.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
CADR Pollen on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
CADR Dust
What is the CADR for dust?
53
cfm
0Votes
260
cfm
0Votes
Alen BreatheSmart FLEX
CADR for dust is 53 cfm, effective in removing particles from your living environment.
Levoit Core 400S
Provides efficient dust removal, making it great for homes in areas with dust problems.
Dust-specific clean air delivery rate.
In the battle of CADR Dust,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
207.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
CADR Dust on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Air Changes Per Hour
How many air changes per hour?
4
ACH
0Votes
4.84
ACH
0Votes
Alen BreatheSmart FLEX
Achieves 4 air changes per hour at maximum speed, ensuring fresh air circulation in your space.
Levoit Core 400S
With 4.84 air changes per hour, it’s perfect for rooms up to 403 sq ft, cycling the air multiple times an hour for cleaner air.
Number of complete air changes per hour.
In the battle of Air Changes Per Hour,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
0.8 ACH
measurement.
Don’t keep it to yourself — be the first to react and review the
Air Changes Per Hour on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Coverage Area
What is the coverage area?
700
sq ft
0Votes
403
sq ft
0Votes
Alen BreatheSmart FLEX
Matches the maximum coverage area, ensuring effective filtration for rooms up to 700 sq ft.
Levoit Core 400S
403 sq ft coverage is ideal for larger bedrooms, offices, or living rooms, allowing continuous airflow.
The total maximum area the purifier can effectively clean.
In the battle of Coverage Area,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
297.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Coverage Area on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Max Airflow
What is the maximum airflow rate?
187
cfm
0Votes
260
cfm
0Votes
Alen BreatheSmart FLEX
Maximum airflow of 187 cfm, providing high efficiency at the highest setting.
Levoit Core 400S
The 260 CFM airflow rate provides rapid air circulation, optimizing purification time.
Maximum airflow capacity of the unit.
In the battle of Max Airflow,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
73.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
Max Airflow on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Airflow Direction Type
What is the airflow direction type?
36
Alen BreatheSmart FLEX
0Votes
Upward
36
Levoit Core 400S
0Votes
Upward
Alen BreatheSmart FLEX
The upward airflow helps distribute purified air across the room.
Levoit Core 400S
Airflow directed upward helps to circulate clean air across the entire room.
The pattern or direction in which clean air is released.
In the battle of Airflow Direction Type,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Noise Level Average
What is the average noise level?
39
dB
0Votes
25.4
dB
0Votes
Alen BreatheSmart FLEX
Quiet operation with an average noise level of 39 dB, roughly the noise level of a quiet conversation.
Levoit Core 400S
Quiet at average levels, equivalent to the sound of an office setting with minimal distractions.
Typical average noise during standard operation.
In the battle of Noise Level Average,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
higher
13.6 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Average on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Frequency
What is the operating frequency?
60
Hz
0Votes
60
Hz
0Votes
Alen BreatheSmart FLEX
Works with standard 60 Hz electrical outlets, common in North America.
Levoit Core 400S
Compatible with standard 60Hz frequency found in most North American electrical systems.
The electrical frequency of operation.
In the battle of Frequency,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
, delivering
equal
60.00 Hz
measurement.
Don’t keep it to yourself — be the first to react and review the
Frequency on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Minimum Coverage Area
What is the minimum coverage area?
200
sq ft
0Votes
219
sq ft
0Votes
Levoit Core 400S
Effective in rooms as small as 219 sq ft, suitable for tighter spaces.
The smallest area recommended for optimal operation.
In the battle of Minimum Coverage Area,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
lower
19.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Minimum Coverage Area on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Voltage
What is the voltage requirement?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
120
Volt
0Votes
Levoit Core 400S
Works with standard North American household outlets (120V).
Electrical operating voltage required.
Don’t keep it to yourself — be the first to react and review the
Voltage on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Operating Temperature Range
What is the operating temperature range?
66
Alen BreatheSmart FLEX
0Votes
30-100°F
71
Levoit Core 400S
0Votes
14-104°F
Levoit Core 400S
Operates in a wide range of temperatures, from about -10°C to 40°C, making it adaptable for most indoor climates.
The recommended ambient temperature range for operation.
In the battle of Operating Temperature Range,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
5 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Temperature Range on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Energy Efficiency Rating
What is the energy efficiency rating?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
Who knows?
0Votes
Levoit Core 400S
(Help us out by suggesting one!)
Efficiency classification for energy consumption.
Don’t keep it to yourself — be the first to react and review the
Energy Efficiency Rating on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Operating Humidity Range
What is the operating humidity range?
16
Alen BreatheSmart FLEX
0Votes
85% RH
16
Levoit Core 400S
0Votes
<85% RH
Acceptable relative humidity range for operation.
In the battle of Operating Humidity Range,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Operating Humidity Range on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Carbon Filter Type: Both use Activated Carbon filters, effective for odor and gas removal.
Type of carbon material used for odor and gas removal.
In the battle of Carbon Filter Type,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Carbon Filter Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Material Composition: Alen uses Fiberglass, Plastic, and Carbon Fiber; Levoit uses Fiberglass and Plastic only, suggesting a more complex material mix in Alen.
Materials used in constructing the filter media.
In the battle of Filter Material Composition,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Material Composition on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
PlasmaWave Similar Tech: No PlasmaWave or similar tech present in either model.
Indicates if PlasmaWave or equivalent ionization technology is used.
In the battle of PlasmaWave Similar Tech,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
PlasmaWave Similar Tech on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Washable: Neither has washable filters; replacements required.
Indicates whether filters can be washed and reused.
In the battle of Filter Washable,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Washable on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Availability: Replacement filters are available for both products, ensuring maintenance feasibility.
Indicates if replacement filters are easy to find on the market.
In the battle of Filter Availability,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Availability on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Primary Filter Type
What is the primary filter type?
66
Alen BreatheSmart FLEX
0Votes
HEPA
66
Levoit Core 400S
0Votes
HEPA
Alen BreatheSmart FLEX
True HEPA filter ensures maximum efficiency in capturing airborne allergens and pollutants.
Levoit Core 400S
The HEPA filter captures 99.97% of airborne particles, ideal for allergy sufferers and people with asthma.
The main type of filter used to trap fine particles.
In the battle of Primary Filter Type,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Primary Filter Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Pre Filter Type
What is the pre-filter type?
76
Alen BreatheSmart FLEX
0Votes
Mesh
76
Levoit Core 400S
0Votes
Mesh
Alen BreatheSmart FLEX
Mesh pre-filter captures larger particles like dust and pet hair, prolonging the life of the HEPA filter.
Levoit Core 400S
The mesh pre-filter captures large particles like hair, dust, and pet fur, extending the life of the other filters.
The type of pre-filter that captures larger dust and hair.
In the battle of Pre Filter Type,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Pre Filter Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Activated Carbon Amount
How much activated carbon does it have?
2.3
oz
0Votes
1.1
oz
0Votes
Alen BreatheSmart FLEX
Contains 2.3 oz (about 65 grams) of activated carbon to absorb unwanted odors and pollutants.
Levoit Core 400S
With 1.1 oz of activated carbon, it effectively absorbs household odors and VOCs.
Total amount of activated carbon used in the filter.
In the battle of Activated Carbon Amount,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
1.2 oz
measurement.
Don’t keep it to yourself — be the first to react and review the
Activated Carbon Amount on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Efficiency Percentage
What is the filter efficiency percentage?
99.97
%
0Votes
99.97
%
0Votes
Alen BreatheSmart FLEX
Filters 99.97% of particles, effectively cleaning the air of harmful contaminants.
Levoit Core 400S
Removes 99.97%of airborne particles, ensuring that the air is as clean as possible.
Percentage of particles the filter can capture.
In the battle of Filter Efficiency Percentage,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
, delivering
equal
99.97 %
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Efficiency Percentage on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Antibacterial Coating
Does it have antibacterial coating?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Alen BreatheSmart FLEX
Lacks an antibacterial coating, focusing instead on the mechanical filtration process.
Levoit Core 400S
Does not include an antibacterial coating; however, it still provides efficient air purification.
Indicates if the filter surface has antibacterial treatment.
In the battle of Antibacterial Coating,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Antibacterial Coating on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
UVC Light
Does it include UVC light?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Alen BreatheSmart FLEX
Does not include UVC light; instead, relies on HEPA and activated carbon for air purification.
Levoit Core 400S
LacksUVC light, but still effectively cleans the air with its HEPA and carbon filters.
Uses ultraviolet-C light to sterilize bacteria and viruses.
In the battle of UVC Light,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
UVC Light on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Ionizer Function
Does it have ionizer function?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Alen BreatheSmart FLEX
No ionizer is used, making it safer for those sensitive to ozone.
Levoit Core 400S
Does not feature an ionizer function, relying on HEPA and activated carbon for purification.
Generates negative ions to capture fine airborne particles.
In the battle of Ionizer Function,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Ionizer Function on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Life Duration
What is the filter life duration?
12
month
0Votes
12
month
0Votes
Alen BreatheSmart FLEX
The filter lasts for up to 12 months, depending on usage. Regular replacement is essential for optimal performance.
Levoit Core 400S
Filter replacement every 12 months ensures optimal performance over time.
Expected lifespan of the filter before replacement.
In the battle of Filter Life Duration,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
, delivering
equal
12.00 month
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Life Duration on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Replacement Indicator
Does it have a filter replacement indicator?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Alen BreatheSmart FLEX
A filter replacement indicator ensures you’re reminded when it’s time to change the filter.
Levoit Core 400S
Alerts you when the filter needs replacing, making maintenance easier.
Alerts user when it’s time to replace filters.
In the battle of Filter Replacement Indicator,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Indicator on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Number Of Filter Stages
How many filter stages are there?
49
Alen BreatheSmart FLEX
0Votes
3
49
Levoit Core 400S
0Votes
3
Levoit Core 400S
Three-stage filtration provides thorough cleaning, starting with a pre-filter, followed by a HEPA filter, and finishing with an activated carbon filter.
Total number of filtration stages used in the air cleaning process.
In the battle of Number Of Filter Stages,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Number Of Filter Stages on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
HEPA Filter Grade
What is the HEPA filter grade?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
76
Levoit Core 400S
0Votes
H13
Levoit Core 400S
H13 HEPA filtration ensures the highest quality of air purification for both large and small particles.
Indicates HEPA filter class and particle capture efficiency.
Don’t keep it to yourself — be the first to react and review the
HEPA Filter Grade on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Change Frequency
How often should filters be changed?
12
month
0Votes
12
month
0Votes
Alen BreatheSmart FLEX
Replace the filter every 12 months for best performance.
Recommended frequency for changing filters.
In the battle of Filter Change Frequency,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
, delivering
equal
12.00 month
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Change Frequency on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Replacement Filter Model
What is the replacement filter model?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
The model number or code for compatible replacement filters.
Don’t keep it to yourself — be the first to react and review the
Replacement Filter Model on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Air Quality & Sensors
15
Air Quality Sensor
Does it have an air quality sensor?
No
0Votes
Alen BreatheSmart FLEX
Yes
1Votes
Levoit Core 400S
Detects overall air quality and pollution level.
In the battle of Air Quality Sensor,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Based on community votes for Air Quality Sensor,
Alen BreatheSmart FLEX ◉ earned
0 votes,
less than
Levoit Core 400S ◉,
which got 1 votes.
The air quality sensors on the Levoit Core 400S make it way easier to monitor the environment which is a huge plus when you want smart features.
See more
Auto Dimming Display
Does it have an auto dimming display?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Adjusts screen brightness automatically based on lighting.
In the battle of Auto Dimming Display,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Auto Dimming Display on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Automatic Mode
Does it have an automatic mode?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Adjusts purification level automatically based on air quality.
In the battle of Automatic Mode,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Automatic Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Auto Fan Speed Adjustment
Does it support auto fan speed adjustment?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Automatically changes fan speed based on sensor data.
In the battle of Auto Fan Speed Adjustment,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Auto Fan Speed Adjustment on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Dust Sensor
Does it include a dust sensor?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Detects airborne dust particles to optimize performance.
In the battle of Dust Sensor,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Dust Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Odor Sensor
Does it have an odor sensor?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Detects unpleasant smells or chemical odors.
In the battle of Odor Sensor,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Odor Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
VOC Sensor
Does it have a VOC sensor?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Detects volatile organic compounds and harmful gases.
In the battle of VOC Sensor,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
VOC Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
CO2 Sensor
Does it include a CO2 sensor?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Monitors carbon dioxide levels in the air.
In the battle of CO2 Sensor,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
CO2 Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
PM25 Sensor
Does it include a PM2.5 sensor?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Detects PM2.5 fine particles (2.5 microns and smaller).
In the battle of PM25 Sensor,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
PM25 Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
PM10 Sensor
Does it have a PM10 sensor?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Detects coarse dust particles (10 microns and larger).
In the battle of PM10 Sensor,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
PM10 Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Temperature Sensor
Does it have a temperature sensor?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Measures ambient temperature for comfort optimization.
In the battle of Temperature Sensor,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Temperature Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Humidity Sensor
Does it include a humidity sensor?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Detects humidity level in the environment.
In the battle of Humidity Sensor,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Humidity Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Light Sensor
Does it have a light sensor?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Detects ambient light for automatic display dimming.
In the battle of Light Sensor,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Light Sensor on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Sensor Accuracy Rating
What is the sensor accuracy rating?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
Who knows?
0Votes
Levoit Core 400S
(Help us out by suggesting one!)
Measures how accurate the sensors are at detecting pollutants.
Don’t keep it to yourself — be the first to react and review the
Sensor Accuracy Rating on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Real Time Air Quality Display
Does it show real-time air quality?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Displays air quality readings instantly on screen or app.
In the battle of Real Time Air Quality Display,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Real Time Air Quality Display on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Mobile App Control: Alen does not support app control; Levoit does, suitable for smart home integration and remote management.
Enables control via smartphone application.
In the battle of Mobile App Control,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Mobile App Control on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Display Brightness Adjustment: Alen lacks this feature, Levoit offers display brightness adjustment enhancing user experience.
Allows users to adjust the display brightness manually.
In the battle of Display Brightness Adjustment,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Display Brightness Adjustment on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Timer Function: Both offer timer functions for automated operation scheduling.
Lets users set specific operating durations.
In the battle of Timer Function,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Timer Function on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Child Lock: Alen does not have child lock; Levoit includes child lock for safety in homes with children.
Prevents accidental operation by children.
In the battle of Child Lock,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Child Lock on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Touch Controls
Does it have touch controls?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Allows operation via touch-sensitive interface.
In the battle of Touch Controls,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Touch Controls on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Touch Sensitivity Level
What is the touch sensitivity level?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
Who knows?
0Votes
Levoit Core 400S
(Help us out by suggesting one!)
Indicates how responsive the touch interface is.
Don’t keep it to yourself — be the first to react and review the
Touch Sensitivity Level on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Physical Buttons
Does it include physical buttons?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Provides tactile buttons for basic operation.
In the battle of Physical Buttons,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Physical Buttons on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Remote Control
Does it come with a remote control?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Allows operation from a distance using a remote device.
In the battle of Remote Control,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote Control on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Sleep Mode
Does it feature a sleep mode?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Operates quietly with dimmed display for sleeping.
In the battle of Sleep Mode,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Sleep Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Control Panel Location
Where is the control panel located?
36
Alen BreatheSmart FLEX
0Votes
Front
36
Levoit Core 400S
0Votes
Top
Indicates where the main control panel is located.
In the battle of Control Panel Location,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Control Panel Location on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Reset Button
Does it have a filter reset button?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Dedicated button to reset the filter indicator after replacement.
In the battle of Filter Reset Button,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Reset Button on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
WiFi Indicator Light
Does it have a WiFi indicator light?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
WiFi Indicator Light
WiFi Indicator Light: Alen does not have a WiFi indicator light, Levoit has one indicating connectivity status.
Shows WiFi connectivity status visually.
In the battle of WiFi Indicator Light,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Indicator Light on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Error Indicator Light
Does it include an error indicator light?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Displays warnings for operational issues or errors.
In the battle of Error Indicator Light,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Error Indicator Light on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
In the battle of Fan Speed Levels,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fan Speed Levels on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Maximum Fan Speed
What is the maximum fan speed?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
45.3
rpm
0Votes
Maximum fan rotation speed when operating at full power.
Don’t keep it to yourself — be the first to react and review the
Maximum Fan Speed on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Minimum Fan Speed
What is the minimum fan speed?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
16.7
rpm
0Votes
Lowest rotation speed for quiet or energy-saving mode.
Don’t keep it to yourself — be the first to react and review the
Minimum Fan Speed on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Turbo Mode
Does it include a turbo mode?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
High-power mode for rapid air purification.
In the battle of Turbo Mode,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Turbo Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Eco Mode
Does it have an eco mode?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Energy-saving mode that reduces power usage.
In the battle of Eco Mode,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Eco Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Sleep Quiet Mode
Does it feature a sleep or quiet mode?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Sleep Quiet Mode
Sleep Quiet Mode: Both support sleep quiet mode to maintain low noise during night-time use.
Minimizes noise and display brightness for nighttime use.
In the battle of Sleep Quiet Mode,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Sleep Quiet Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Manual Mode
Does it include manual mode?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Allows manual fan speed and mode selection by the user.
In the battle of Manual Mode,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Manual Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Lets users set personalized mode settings or schedules.
In the battle of Custom Mode,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Custom Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Oscillation
Does it feature oscillation?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Rotates or swings to distribute air evenly across a room.
In the battle of Oscillation,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Oscillation on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Airflow Direction Control
Can you control the airflow direction?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Allows users to adjust the direction of purified airflow.
In the battle of Airflow Direction Control,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Control on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Safety & Protection
9
Overheat Protection
Does it have overheat protection?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Overheat Protection
Overheat Protection: Alen lacks overheat protection, whereas Levoit includes this safety feature, reducing fire risk.
Prevents damage by automatically shutting down when overheating.
In the battle of Overheat Protection,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Overheat Protection on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Tipover Protection
Does it include tipover protection?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Tipover Protection
Tipover Protection: Alen does not have tipover protection; Levoit provides it, better for household safety.
Shuts off the device automatically if it tips over.
In the battle of Tipover Protection,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Tipover Protection on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Power Surge Protection
Does it include power surge protection?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Protects internal components from voltage spikes.
In the battle of Power Surge Protection,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Surge Protection on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Safety Auto Shutoff
Does it feature safety auto shutoff?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Safety Auto Shutoff
Safety Auto Shutoff: Both have safety auto shutoff, enhancing operational safety.
Automatically turns off under unsafe or fault conditions.
In the battle of Safety Auto Shutoff,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Safety Auto Shutoff on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
UV Safety Shield
Does it include a UV safety shield?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Shields users from direct UV light exposure in UV-enabled models.
In the battle of UV Safety Shield,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
UV Safety Shield on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Ozone Emission Safe
Is it ozone emission safe?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Ensures ozone emissions remain within safe levels.
In the battle of Ozone Emission Safe,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Ozone Emission Safe on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Power Failure Memory
Does it have power failure memory?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Remembers last settings after a power outage.
In the battle of Power Failure Memory,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Failure Memory on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Electrical Protection Rating
What is the electrical protection rating?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
26
Levoit Core 400S
0Votes
IP20
Indicates protection level against dust or electrical contact.
Don’t keep it to yourself — be the first to react and review the
Electrical Protection Rating on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Fuse Type
What type of fuse does it use?
36
Alen BreatheSmart FLEX
0Votes
Thermal Fuse
36
Levoit Core 400S
0Votes
Thermal Fuse
Identifies the type of fuse used for electrical safety.
In the battle of Fuse Type,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Fuse Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Build & Materials
7
Body Material
What material is the purifier body made of?
66
Alen BreatheSmart FLEX
0Votes
ABS Plastic
66
Levoit Core 400S
0Votes
ABS Plastic
Describes the main material used for the purifier body.
In the battle of Body Material,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Body Material on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Frame Material
What is the filter frame material?
66
Alen BreatheSmart FLEX
0Votes
Plastic
66
Levoit Core 400S
0Votes
Plastic
vs
Filter Frame Material
Filter Frame Material: Both utilize Plastic for filter frames, common in air purifier design.
Indicates the material used for the filter housing or frame.
In the battle of Filter Frame Material,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Frame Material on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Build Type
What is the build type?
56
Alen BreatheSmart FLEX
0Votes
Compact
36
Levoit Core 400S
0Votes
Fixed
Defines the overall design structure of the purifier.
In the battle of Build Type,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
20 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Build Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Finish Texture
What type of finish texture does it have?
36
Alen BreatheSmart FLEX
0Votes
Matte
36
Levoit Core 400S
0Votes
Matte
Describes the surface finish of the air purifier.
In the battle of Finish Texture,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Finish Texture on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Build Quality Grade
What is the build quality grade?
56
Alen BreatheSmart FLEX
0Votes
Standard
96
Levoit Core 400S
0Votes
Premium
Indicates the overall craftsmanship and material precision.
In the battle of Build Quality Grade,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Build Quality Grade on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Scratch Resistance
Is the purifier scratch resistant?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Scratch Resistance
Scratch Resistance: Alen is not scratch-resistant; Levoit includes scratch resistance, improving durability.
Indicates resistance of the body surface to scratches.
In the battle of Scratch Resistance,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Scratch Resistance on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Portability Handles Wheels
Does it have handles or wheels for portability?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Portability Handles Wheels
Portability Handles Wheels: Alen lacks portability features, Levoit offers handles and wheels for easier movement.
Indicates presence of handles or wheels for easier movement.
In the battle of Portability Handles Wheels,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Portability Handles Wheels on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Maintenance & Usability
8
Filter Replacement Method
What is the filter replacement method?
56
Alen BreatheSmart FLEX
0Votes
Slide Out
66
Levoit Core 400S
0Votes
Twist Lock
vs
Filter Replacement Method
Filter Replacement Method: Alen uses Slide Out method, Levoit uses Twist Lock, both facilitating user-friendly filter changes.
Describes how the filter can be removed and replaced.
In the battle of Filter Replacement Method,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
10 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Method on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Ease Of Access
How is the ease of access for cleaning or filter changes?
86
Alen BreatheSmart FLEX
0Votes
Front Access
86
Levoit Core 400S
0Votes
Front Access
vs
Ease Of Access
Ease Of Access: Both provide Front access to filters, simplifying maintenance.
Indicates how easily users can reach filters and components.
In the battle of Ease Of Access,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Ease Of Access on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Tool Free Maintenance
Is maintenance tool free?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Tool Free Maintenance
Tool Free Maintenance: Both models support tool-free maintenance, enhancing ease of care.
Allows maintenance without using additional tools.
In the battle of Tool Free Maintenance,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Tool Free Maintenance on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Cleaning Frequency
How often should it be cleaned?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
24
days
0Votes
Recommended frequency of cleaning for optimal performance.
Don’t keep it to yourself — be the first to react and review the
Cleaning Frequency on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Cleaning Tools
Are cleaning tools included?
Yes
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Specifies if cleaning accessories are provided with the unit.
In the battle of Cleaning Tools,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cleaning Tools on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Maintenance Indicator
Does it have a maintenance indicator?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Alerts when maintenance or cleaning is needed.
In the battle of Maintenance Indicator,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Indicator on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Maintenance Frequency Reminder
Does it include a maintenance frequency reminder?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Provides reminders for regular filter replacement or cleaning.
In the battle of Maintenance Frequency Reminder,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Frequency Reminder on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Replacement Cost Estimate
What is the estimated filter replacement cost?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
69
Levoit Core 400S
0Votes
$30
vs
Filter Replacement Cost Estimate
Filter Replacement Cost Estimate: Alen does not specify; Levoit estimates $30 for replacement filters, helping budget planning.
Approximate cost for standard replacement filters.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Cost Estimate on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Smart & Connectivity Features
12
WiFi Connectivity
Does it have WiFi connectivity?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates if the air purifier can connect to WiFi for app or remote control.
In the battle of WiFi Connectivity,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Connectivity on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Bluetooth Connectivity
Does it have Bluetooth connectivity?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Allows wireless connection via Bluetooth for setup or local control.
In the battle of Bluetooth Connectivity,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Bluetooth Connectivity on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Cloud Connectivity
Does it support cloud connectivity?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Connects to cloud services for remote access and data sync.
In the battle of Cloud Connectivity,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Cloud Connectivity on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Offline Mode
Does it have an offline mode?
Yes
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
vs
Offline Mode
Offline Mode: Available in Alen, unavailable in Levoit, useful when internet is down.
Operates fully even without an internet connection.
In the battle of Offline Mode,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Offline Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
App Integration
Does it integrate with mobile apps?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Integrates with manufacturer or third-party mobile applications.
Don’t keep it to yourself — be the first to react and review the
App Integration on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Voice Assistant Compatibility
Which voice assistants is it compatible with?
74
Alen BreatheSmart FLEX
0Votes
Alexa, Google Assistant
74
Levoit Core 400S
0Votes
Alexa, Google Assistant
Specifies which voice assistants are supported.
In the battle of Voice Assistant Compatibility,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Voice Assistant Compatibility on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
IFTTT Or Smart Home Integration
Does it support IFTTT or smart home integration?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
IFTTT Or Smart Home Integration
IFTTT Or Smart Home Integration: Absent in Alen, supported in Levoit, enhancing smart home compatibility.
Integrates with automation platforms like IFTTT or smart home hubs.
In the battle of IFTTT Or Smart Home Integration,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
IFTTT Or Smart Home Integration on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Firmware Update Capability
Can it update firmware automatically?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Allows over-the-air firmware updates for new features or bug fixes.
In the battle of Firmware Update Capability,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Firmware Update Capability on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Remote Start Stop
Can it be started or stopped remotely?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Enables turning the purifier on or off remotely via app or voice.
In the battle of Remote Start Stop,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote Start Stop on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Multi-Device Sync
Does it support multi-device sync?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Synchronizes multiple purifiers or devices under one control.
In the battle of Multi-Device Sync,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Multi-Device Sync on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Data Logging
Does it support data logging?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Logs air quality, usage, and performance data for analysis.
In the battle of Data Logging,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Data Logging on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Usage History
Does it keep usage history?
No
0Votes
Alen BreatheSmart FLEX
No
0Votes
Levoit Core 400S
Records previous usage patterns and air quality stats.
In the battle of Usage History,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Usage History on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Environmental & Sustainability
7
Eco Friendly Materials
Are eco-friendly materials used?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates whether the product uses eco-friendly materials.
In the battle of Eco Friendly Materials,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Eco Friendly Materials on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Recyclable Filters
Are the filters recyclable?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates if filters are recyclable after use.
In the battle of Recyclable Filters,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Recyclable Filters on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Sustainable Packaging
Is the packaging sustainable?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Describes if the packaging uses recyclable or biodegradable materials.
In the battle of Sustainable Packaging,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Sustainable Packaging on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Low Ozone Emission
Does it have low ozone emission?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Ensures minimal ozone emission during operation.
In the battle of Low Ozone Emission,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Low Ozone Emission on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Carbon Footprint Rating
What is its carbon footprint rating?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
Approximate carbon footprint of the device’s lifecycle.
Don’t keep it to yourself — be the first to react and review the
Carbon Footprint Rating on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Standby Power Usage
How much power does it use on standby?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
1.5
W
0Votes
vs
Standby Power Usage
Standby Power Usage: Alen's standby power data not available; Levoit uses 1.5 W, indicating energy efficiency.
Power consumption when the device is on standby mode.
Don’t keep it to yourself — be the first to react and review the
Standby Power Usage on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Noise Eco Mode
What is the noise level in eco mode?
Who knows?
0Votes
Alen BreatheSmart FLEX
(Help us out by suggesting one!)
16.7
dB
0Votes
Noise level during eco or low power mode.
Don’t keep it to yourself — be the first to react and review the
Noise Eco Mode on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Accessories & Package Contents
8
Filters
Are filters included in the box?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Specifies if the product includes initial filters in the box.
In the battle of Filters,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Filters on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Spare Filters
Are spare filters included?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Spare Filters
Spare Filters Included: Both provide spare filters, helpful for extended use.
Indicates whether additional spare filters are provided.
In the battle of Spare Filters,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Spare Filters on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Power Cord
Is the power cord included?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
States whether a power cord is included in the box.
In the battle of Power Cord,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Cord on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Power Adapter
Is a power adapter included?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Specifies if an external power adapter is provided.
In the battle of Power Adapter,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Adapter on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Filter Replacement Tool
Is a filter replacement tool included?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates whether a tool for filter replacement is provided.
In the battle of Filter Replacement Tool,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Tool on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Setup Guide
Is there a setup guide included?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Confirms if a setup or quick start guide is provided.
In the battle of Setup Guide,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Setup Guide on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
User Manual
Is a user manual included?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Confirms the presence of a printed or digital user manual.
In the battle of User Manual,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
User Manual on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Warranty Card
Is a warranty card included?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates the inclusion of a warranty registration card.
In the battle of Warranty Card,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Warranty Card on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Certification & Standards
11
AHAM Verified
Is it AHAM verified?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
AHAM Verified
AHAM Verified: Both are AHAM Verified, ensuring reliable airflow and performance standards.
Indicates if the air purifier is verified by the Association of Home Appliance Manufacturers.
In the battle of AHAM Verified,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
AHAM Verified on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
CARB Certified
Is it CARB certified?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
CARB Certified
CARB Certified: Both are CARB Certified, confirming compliance with California air quality standards.
Confirms compliance with California Air Resources Board standards for ozone emission safety.
In the battle of CARB Certified,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
CARB Certified on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
ETL Listed
Is it ETL listed?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Shows compliance with North American electrical safety standards.
In the battle of ETL Listed,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
ETL Listed on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
UL Listed
Is it UL listed?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates UL certification for electrical and fire safety.
In the battle of UL Listed,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
UL Listed on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
CSA Certified
Is it CSA certified?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
CSA Certified
CSA Certified: Both carry CSA certification, ensuring safety and performance.
Certifies compliance with Canadian Standards Association safety requirements.
In the battle of CSA Certified,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
CSA Certified on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Energy Star Certified
Is it Energy Star certified?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates certification for energy-efficient performance.
In the battle of Energy Star Certified,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Energy Star Certified on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
EPA Certified
Is it EPA certified?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Verifies compliance with U.S. Environmental Protection Agency standards.
In the battle of EPA Certified,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
EPA Certified on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
RoHS Compliant
Is it RoHS compliant?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Ensures restriction of hazardous substances in components and materials.
In the battle of RoHS Compliant,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
RoHS Compliant on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
FCC Certified
Is it FCC certified?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
FCC Certified
FCC Certified: Both have FCC certification for electromagnetic compatibility.
Indicates compliance with Federal Communications Commission standards for electronic emissions.
In the battle of FCC Certified,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
FCC Certified on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
CE Certified
Is it CE certified?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Confirms compliance with European safety, health, and environmental protection standards.
In the battle of CE Certified,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
CE Certified on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
ISO Certified
Is it ISO certified?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates certification under ISO standards for quality or environmental management.
In the battle of ISO Certified,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
ISO Certified on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Warranty & Support
9
Warranty Duration
What is the warranty duration?
86
Alen BreatheSmart FLEX
1Votes
Lifetime
46
Levoit Core 400S
0Votes
2 years
Specifies how long the product is covered under warranty.
In the battle of Warranty Duration,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
40 score
measurement.
Based on community votes for Warranty Duration,
Alen BreatheSmart FLEX ◉ earned
1 votes,
more than
Levoit Core 400S ◉,
which got 0 votes.
Lifetime warranty with onsite service for the Alen BreatheSmart FLEX gives me peace of mind for long-term usage which I'm definitely valuing.
See more
Warranty Service Type
What type of warranty service is included?
76
Alen BreatheSmart FLEX
0Votes
On Site
76
Levoit Core 400S
0Votes
On Site
vs
Warranty Service Type
Warranty Service Type: Both provide onsite warranty services, supporting local repairs.
Defines how warranty service is provided.
In the battle of Warranty Service Type,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Warranty Service Type on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Extended Warranty Availability
Is extended warranty available?
No
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
Indicates whether extended warranty options are offered.
In the battle of Extended Warranty Availability,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Extended Warranty Availability on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Service Center Availability
What is the service center coverage?
96
Alen BreatheSmart FLEX
0Votes
Nationwide
96
Levoit Core 400S
0Votes
Nationwide
vs
Service Center Availability
Service Center Availability: Both have nationwide service centers, ensuring accessibility.
Describes the scope of service center availability.
In the battle of Service Center Availability,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Service Center Availability on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Onsite Service Availability
Is onsite service available?
Yes
0Votes
Alen BreatheSmart FLEX
Yes
0Votes
Levoit Core 400S
vs
Onsite Service Availability
Onsite Service Availability: Onsite service is available for both models, enhancing convenience.
States whether technicians can provide onsite service or repair.
In the battle of Onsite Service Availability,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Onsite Service Availability on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Customer Support Channel
What are the customer support channels?
26
Alen BreatheSmart FLEX
0Votes
Phone, Email
51
Levoit Core 400S
0Votes
Phone, Email, Live Chat, Website
vs
Customer Support Channel
Customer Support Channel: Alen offers Phone and Email support; Levoit adds Live Chat and Website support, offering more communication options.
Lists available communication channels for customer support.
In the battle of Customer Support Channel,
Alen BreatheSmart FLEX ◉ is
worse than
Levoit Core 400S ◉
, delivering
lower
25 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Customer Support Channel on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Online Support Platform
What online support platform is available?
76
Alen BreatheSmart FLEX
0Votes
Website
76
Levoit Core 400S
0Votes
Website
Specifies the platform used for online support or warranty registration.
In the battle of Online Support Platform,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
.
Don’t keep it to yourself — be the first to react and review the
Online Support Platform on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Response Time
What is the typical customer support response time?
24
hours
0Votes
24
hours
0Votes
vs
Response Time
Response Time: Both guarantee 24 hours response time, ensuring timely assistance.
Average time for customer support to respond.
In the battle of Response Time,
Alen BreatheSmart FLEX ◉ is
same as
Levoit Core 400S ◉
, delivering
equal
24.00 hours
measurement.
Don’t keep it to yourself — be the first to react and review the
Response Time on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Return Policy
What is the return policy duration?
76
Alen BreatheSmart FLEX
0Votes
60 Days
56
Levoit Core 400S
0Votes
30 Days
Defines the allowable time period for product returns.
In the battle of Return Policy,
Alen BreatheSmart FLEX ◉ is
better than
Levoit Core 400S ◉
, delivering
higher
20 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Return Policy on Alen BreatheSmart FLEX ◉
vs Levoit Core 400S ◉ and help others decide!
Surveys
Because hot takes deserve votes.
Air Cleaning Performance
How effective is this air purifier at cleaning the air in a typical room?
Excellent purification — Removes over 99% of particles
0Votes
0Votes
Very good — Removes 95% to 99% of particles
0Votes
0Votes
Decent — Removes 85% to 95% of particles
0Votes
0Votes
Weak — Removes 70% to 85% of particles
0Votes
0Votes
Poor — Removes under 70% of particles
0Votes
0Votes
Air Circulation Speed
How quickly does this air purifier clean the air in a medium-sized room?
Very fast — Under 10 minutes
0Votes
0Votes
Fast — 10 to 20 minutes
0Votes
0Votes
Moderate — 20 to 30 minutes
0Votes
0Votes
Slow — 30 to 45 minutes
0Votes
0Votes
Very slow — Over 45 minutes
0Votes
0Votes
Noise Level
How quiet is this air purifier during normal operation?
Very quiet — Under 25 dB
0Votes
0Votes
Quiet — 25 to 35 dB
0Votes
0Votes
Moderate — 35 to 45 dB
0Votes
0Votes
Loud — 45 to 55 dB
0Votes
0Votes
Very loud — Over 55 dB
0Votes
0Votes
Ease of Setup
How easy was it to set up this air purifier for first-time use?
Extremely easy — Ready to use within minutes
0Votes
0Votes
Easy — A few steps but clear instructions
0Votes
0Votes
Average — Needed some effort but manageable
0Votes
0Votes
Tricky — Confusing or unclear setup steps
0Votes
0Votes
Frustrating — Difficult and time-consuming setup
0Votes
0Votes
Filter Replacement Convenience
How easy is it to replace the filter on this air purifier?
Very simple — Quick and tool-free
0Votes
0Votes
Easy — Takes only a few minutes
0Votes
0Votes
Average — Manageable but a bit fiddly
0Votes
0Votes
Hard — Requires tools or careful handling
0Votes
0Votes
Very hard — Complicated or frustrating process
0Votes
0Votes
Filter Lifespan
How long does the filter in this air purifier typically last?
Very long — Over 12 months
0Votes
0Votes
Long — 9 to 12 months
0Votes
0Votes
Average — 6 to 9 months
0Votes
0Votes
Short — 3 to 6 months
0Votes
0Votes
Very short — Under 3 months
0Votes
0Votes
Energy Consumption
How energy-efficient is this air purifier during daily use?
Very efficient — Under 30 watts
0Votes
0Votes
Efficient — 30 to 50 watts
0Votes
0Votes
Moderate — 50 to 80 watts
0Votes
0Votes
High — 80 to 120 watts
0Votes
0Votes
Very high — Over 120 watts
0Votes
0Votes
Design Appeal
How would you rate the design and appearance of this air purifier?
Sleek and stylish — Looks modern and fits any room
0Votes
0Votes
Clean and simple — Looks nice and unobtrusive
0Votes
0Votes
Average — Functional but plain
0Votes
0Votes
Bulky — Takes space and looks outdated
0Votes
0Votes
Clunky — Unattractive and poorly designed
0Votes
0Votes
Portability and Size
How convenient is the size and portability of this air purifier?
Very compact — Under 10 pounds
0Votes
0Votes
Compact — 10 to 15 pounds
0Votes
0Votes
Medium — 15 to 20 pounds
0Votes
0Votes
Large — 20 to 25 pounds
0Votes
0Votes
Very large — Over 25 pounds
0Votes
0Votes
Pricing
How do you feel about the price of this air purifier?
Supermod
Moderator
Recaptor
0
Cartling
0
Cartling
15
