140 Highlights 66 Differences 9 Reactions 0 Likes

Blue Pure 311i+ Max vs Levoit Core 400S : 140 Highlights & 66 Differences — So, Which Air Purifier Actually Works Better

Blue Pure 311i+ Max beats in smart features and energy efficiency. Levoit Core 400S surprises with quieter operation and turbo mode. We ran a full comparison of Blue Pure 311i+ Max and Levoit Core 400S — diving into auto dimming display, fan speed levels, electrical protection rating & filter replacement method, standout features, and what makes each air purifier unique.

71 Points
Blueair
Blueair
Blue Pure 311i+ Max Blueair 311i+ Max
Blue Pure 311i+ Max
68 Points
Levoit Core 400S
vs

Highlights 169

No extras. Just what matters.
71 Points
vs
68 Points

Why is Blue Pure 311i+ Max better than Levoit Core 400S ?

Scroll down for more facts

Comparing Blue Pure 311i+ Max and Levoit Core 400S: Smart Features Meet Purification Power

The Blue Pure 311i+ Max and Levoit Core 400S stand out as two modern air purifiers designed to keep your indoor environment clean and healthy. Both models utilize HEPA and Activated Carbon filtration to capture airborne particles, smoke, pollen, and unpleasant odors. They offer smart connectivity options, LED displays, and quiet operation modes, making them suitable for bedrooms, living rooms, and offices. Yet, these air purifiers diverge significantly in design philosophy, coverage abilities, and their approach to smart home integration.

While the Blue Pure 311i+ Max adopts a console-style form factor with extensive smart features and supports a maximum coverage of up to 929 sq ft, the Levoit Core 400S sports a sleek tower design with a slightly higher Clean Air Delivery Rate (CADR) and a dedicated turbo mode for rapid purification. Their noise profiles, warranty terms, and filter maintenance methods also reflect distinct priorities tailored to varied user needs.

Innovative Connectivity and Energy Efficiency: Exploring Blue Pure 311i+ Max

The Blue Pure 311i+ Max stands out particularly for its extensive smart features, including WiFi and Bluetooth connectivity, cloud syncing, offline operation mode, and multi-device synchronization. Users can remotely control and monitor air quality data through its integrated app, complete with data logging and usage history that supports proactive air purification management.

Its A++ energy efficiency rating ensures it consumes power wisely despite its broad capabilities, drawing just 38 watts. This makes it a perfect candidate for those conscious about energy bills and environmental impact.

Designed with user convenience in mind, this console purifier features an easy-front-access pull-out filter replacement system that is both tool-free and compatible with a washable pre-filter, extending filter life up to 12 months and reducing ongoing costs. The filtration system includes four stages, including a fabric pre-filter and activated carbon stage, delivering 99.97% efficiency with a high-grade H13 HEPA filter.

Moreover, the device is equipped with comprehensive sensors for air quality, including dust, odors, and volatile organic compounds (VOCs), presented on a dimmable LED display with real-time updates. Safety features such as overheat and tip-over protection, along with portability handles and wheels, make this model versatile for different environments.

Levoit Core 400S: Power, Quiet Operation, and Reliable Warranty Support

On the other hand, the Levoit Core 400S offers a slightly higher CADR of 260, suggesting quicker particulate removal in spaces up to 403 sq ft. Its noise level impressively dips to as low as 16.7 dB on minimal settings, which is quieter than the Blue Pure at its lowest. Additionally, the Core 400S introduces a turbo fan mode for intense air cleaning bursts, absent from its competitor.

The model's tower design occupies less floor space and features premium matte ABS plastic construction with scratch-resistant finishing for endurance. Filter maintenance uses a convenient twist-lock method, making replacements straightforward, and its filters last roughly 12 months as well.

Levoit provides more generous customer support with a two-year warranty and nationwide onsite service options, giving peace of mind for long-term usage. It also includes a timer function for scheduled runs, an appreciated feature missing in the Blue Pure.

Though it lacks some of the advanced sensor types like odor and VOC detection, it still maintains excellent air quality sensing with dust, PM2.5, and PM10 monitoring. Its app control supports Alexa and Google Assistant voice commands but does not offer Bluetooth or cloud synchronization, limiting some connected experience features.

Quick Take

The Blue Pure 311i+ Max truly shines with its advanced smart integration, sustainability credentials, and impressive energy efficiency, making it a smart choice for bigger areas and tech enthusiasts. Conversely, the Levoit Core 400S wins with a quieter minimum noise level, rapid turbo purification, and longer warranty coverage, appealing to users looking for solid, fuss-free operation with extra support.

Closing Recommendation

For those prioritizing expansive coverage, energy-saving runs, and cutting-edge smart controls with comprehensive air quality monitoring, the Blue Pure 311i+ Max stands out as the better pick. If quieter operation at the lowest fan speeds, a turbo boost option, and extended warranty coverage are your top criteria, the Levoit Core 400S deserves serious consideration. Both models offer premium HEPA-grade filtration and convenient maintenance tailored to different lifestyles, but ultimately, your choice hinges on whether smart technology or quiet power takes precedence.

Verdict

  • Winner: Blue Pure 311i+ Max - Excels in advanced smart features, energy efficiency, broader coverage, and user-friendly, eco-conscious maintenance.
  • Runner-up: Levoit Core 400S - Offers superior low-noise performance, turbo mode, longer warranty, and convenient scheduled operation for quieter, targeted purification.

Comparisons 25

Two enter. One leaves your cart.

Related comparisons 25

Because one duel is never enough.

Comparisons & Facts 169

Side by side. The numbers. The features. No drama.

Looking for a smart comparison between Blue Pure 311i+ Max 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.

General Information 13

Model Type

What type of model is this?

58 Blue Pure 311i+ Max 0Votes Console

86 Levoit Core 400S 0Votes Tower

Blue Pure 311i+ Max
vs
Levoit Core 400S
Model Type

The Blue Pure 311i+ Max is a console-style air purifier, while the Levoit Core 400S adopts a tower design. The console form factor offers stable placement, whereas the tower is more space-saving vertically, suitable for tight spaces.

The structural style or type of the air purifier.

Release Year

What year was it released?

91 Blue Pure 311i+ Max 0Votes 2023

81 Levoit Core 400S 0Votes 2021

Blue Pure 311i+ Max
vs
Levoit Core 400S
Release Year

The Blue Pure 311i+ Max was released more recently in 2023, compared to the Levoit Core 400S in 2021. This newer release may include improved features and updated technology for enhanced performance.

The year the model was first released to market.

Model Name

What is the model name?

64 Blue Pure 311i+ Max 0Votes Blue Pure 311i+ Max

76 Levoit Core 400S 0Votes Levoit Core 400S

The official name or model identifier of the air purifier.

Product Series

What is the product series?

59 Blue Pure 311i+ Max 0Votes Blue Pure

70 Levoit Core 400S 0Votes Core

Indicates which product line or series the model belongs to.

Intended Room Type

What room type is it intended for?

31 Blue Pure 311i+ Max 0Votes Bedroom, Living Room, Office

30 Levoit Core 400S 0Votes Bedroom, Living Room, Office, Nursery

Specifies what kind of room the air purifier is designed for.

Technology Type

What technology does it use?

51 Blue Pure 311i+ Max 0Votes HEPA, Activated Carbon

49 Levoit Core 400S 0Votes HEPA, Activated Carbon

The primary purification technologies used by the unit.

Design Style

What is the design style?

88 Blue Pure 311i+ Max 0Votes Modern

86 Levoit Core 400S 0Votes Modern

The visual and structural style of the purifier’s exterior.

Color Options

What color options are offered?

60 Blue Pure 311i+ Max 0Votes White

70 Levoit Core 400S 0Votes White

Available color variations for this model.

Form Factor

What is the form factor?

68 Blue Pure 311i+ Max 0Votes Console

46 Levoit Core 400S 0Votes Tower

The overall shape and layout of the device.

Control Type

What control types are available?

53 Blue Pure 311i+ Max 0Votes Button, App

66 Levoit Core 400S 0Votes Touch, Remote, App

The methods available to operate the device.

Display Type

What is the display type?

68 Blue Pure 311i+ Max 0Votes LED

66 Levoit Core 400S 0Votes LED

The kind of display interface provided.

Dimensions & Weight 10

Width

What is the width?

12.6 inch 0Votes
Blue Pure 311i+ Max
10.8 inch 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Width

Blue Pure 311i+ Max is wider at 12.6 inches compared to Levoit's 10.8 inches, which means it takes up a larger footprint on your floor or table surface, potentially influencing placement preference.

The horizontal measurement of the air purifier.

Depth

What is the depth?

12.6 inch 0Votes
Blue Pure 311i+ Max
10.8 inch 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Depth

Both models have differing depths with Blue Pure 311i+ Max at 12.6 inches and Levoit Core 400S at 10.8 inches, impacting how much space they occupy front-to-back, with the Blue Pure being bulkier.

The front-to-back measurement of the purifier.

Height

What is the height?

19.09 inch 0Votes
Blue Pure 311i+ Max
20.5 inch 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Height

Levoit Core 400S is taller at 20.5 inches versus Blue Pure 311i+ Max’s 19.09 inches. This height difference supports the tower's vertical airflow design, better suited for narrow spaces.

The total vertical measurement from base to top.

Weight

What is the weight?

7.8 lbs 0Votes
Blue Pure 311i+ Max
14.12 lbs 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Weight

Levoit Core 400S is significantly heavier at 14.12 lbs compared to Blue Pure 311i+ Max's 7.8 lbs, suggesting the latter is more portable and easier to move around the home.

The total weight of the air purifier unit.

Cord Length

What is the cord length?

5.64 ft 0Votes
Blue Pure 311i+ Max
6 ft 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Cord Length

The Levoit Core 400S features an exceptionally long power cord at 75.8 feet, versus just 5.64 feet for Blue Pure 311i+ Max, offering greater placement flexibility far from outlets.

The length of the power cord attached to the purifier.

Package Width

What is the package width?

12.5 inch 0Votes
Blue Pure 311i+ Max
10.8 inch 0Votes
Levoit Core 400S

Levoit Core 400S
Levoit Core 400S

The box dimensions match the purifier’s size, ensuring a snug fit and secure packaging.

The width of the product packaging.

Package Depth

What is the package depth?

12.5 inch 0Votes
Blue Pure 311i+ Max
10.8 inch 0Votes
Levoit Core 400S

Levoit Core 400S
Levoit Core 400S

Consistent with the purifier’s dimensions, the packaging is designed for easy storage or handling.

The depth of the product packaging.

Package Height

What is the package height?

20 inch 0Votes
Blue Pure 311i+ Max
20.5 inch 0Votes
Levoit Core 400S

Levoit Core 400S
Levoit Core 400S

The package height mirrors the purifier’s height, providing a balanced package for shipping.

The height of the product packaging.

Package Weight

What is the package weight?

7.9 lbs 0Votes
Blue Pure 311i+ Max
15.5 lbs 0Votes
Levoit Core 400S

Levoit Core 400S
Levoit Core 400S

Weighs about 7 kg when packed, including protective materials for shipping.

The total shipping weight including packaging.

Base Diameter

What is the base diameter?

Who knows? 0Votes Blue Pure 311i+ Max (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.

Performance & Efficiency 19

Noise Level Max

What is the maximum noise level?

50 dB 0Votes
Blue Pure 311i+ Max
45.3 dB 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Noise Level Max

Noise-wise, Levoit Core 400S runs much quieter at its max noise level of 45.3 dB, compared to Blue Pure's 50 dB max. The lower noise contributes to a more peaceful environment, especially at night.

Maximum noise level at highest fan speed.

Voltage

What is the voltage requirement?

220 Volt 0Votes
Blue Pure 311i+ Max
120 Volt 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Voltage

Voltage requirement is notably different: Blue Pure 311i+ Max operates at 220V typical for many countries, whereas Levoit Core 400S runs on 120V, aligning more with North American power standards.

Electrical operating voltage required.

Clean Air Delivery Rate

What is the overall CADR?

250 cfm 0Votes
Blue Pure 311i+ Max
260 cfm 1Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Clean Air Delivery Rate

Levoit Core 400S provides a higher Clean Air Delivery Rate (CADR) of 260 cfm compared to Blue Pure 311i+ Max's 250 cfm, meaning it can clean air slightly faster, valuable for allergy and asthma sufferers.

Measures the total air cleaning rate in cubic feet per minute.

Levoit Core 400S's higher CADR of 260 means it cleans faster, which is a big plus compared to Blue Pure 311i+ Max.

See more

Air Changes Per Hour

How many air changes per hour?

4.8 ACH 0Votes
Blue Pure 311i+ Max
4.84 ACH 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Air Changes Per Hour

Air changes per hour are comparable, with Levoit at 4.84 ACH and Blue Pure at 4.8 ACH, indicating both can refresh room air at a similar rate, sufficient for typical household air quality improvement.

Number of complete air changes per hour.

Operating Temperature Range

What is the operating temperature range?

48 Blue Pure 311i+ Max 0Votes -10-60°F

71 Levoit Core 400S 0Votes 14-104°F

Blue Pure 311i+ Max
vs
Levoit Core 400S
Operating Temperature Range

Operating temperature range for Blue Pure spans from -10 to 60°F (-23 to 15.5°C), broader than Levoit Core 400S’s 14 to 104°F (-10 to 40°C). Levoit’s wider upper range suits older homes or warm climates better.

The recommended ambient temperature range for operation.

Noise Level Min

What is the minimum noise level?

23 dB 0Votes
Blue Pure 311i+ Max
16.7 dB 1Votes
Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

At its lowest setting, this air purifier is as quiet as a whisper or the sound of a ticking clock. It's perfect for bedrooms or during sleep mode.

Levoit Core 400S
Levoit Core 400S

Very quiet at low settings, comparable to the noise of a quiet conversation or a whisper.

Minimum operating noise level at lowest fan speed.

Blue Pure 311i+ Max is quieter at the minimum noise level than most, but Levoit Core 400S goes even lower with 16.7 dB, nice for light sleepers.

See more

Power Consumption

What is the power consumption?

38 Watt 0Votes
Blue Pure 311i+ Max
38 Watt 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

Uses 38 watts, which is fairly energy-efficient for a unit with this level of performance. This is comparable to a standard light bulb.

Levoit Core 400S
Levoit Core 400S

Low energy consumption, approximately equivalent to the power use of a standard light bulb.

Average electrical power used during operation.

CADR Smoke

What is the CADR for smoke?

250 cfm 0Votes
Blue Pure 311i+ Max
260 cfm 0Votes
Levoit Core 400S

Levoit Core 400S
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.

CADR Pollen

What is the CADR for pollen?

250 cfm 0Votes
Blue Pure 311i+ Max
260 cfm 0Votes
Levoit Core 400S

Levoit Core 400S
Levoit Core 400S

Ideal for reducing airborne pollen, making it a solid choice for allergy sufferers.

Pollen-specific clean air delivery rate.

CADR Dust

What is the CADR for dust?

250 cfm 0Votes
Blue Pure 311i+ Max
260 cfm 0Votes
Levoit Core 400S

Levoit Core 400S
Levoit Core 400S

Provides efficient dust removal, making it great for homes in areas with dust problems.

Dust-specific clean air delivery rate.

Coverage Area

What is the coverage area?

387.5 sq ft 0Votes
Blue Pure 311i+ Max
403 sq ft 0Votes
Levoit Core 400S

Levoit Core 400S
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.

Maximum Coverage Area

What is the maximum coverage area?

929 sq ft 0Votes
Blue Pure 311i+ Max
403 sq ft 0Votes
Levoit Core 400S

Levoit Core 400S
Levoit Core 400S

Maximum coverage area remains the same as the recommended size, ensuring no drop in performance across the specified range.

The largest possible area where the air purifier remains effective.

Filtration System 18

Number Of Filter Stages

How many filter stages are there?

60 Blue Pure 311i+ Max 0Votes 4

49 Levoit Core 400S 0Votes 3

Blue Pure 311i+ Max
vs
Levoit Core 400S
Number Of Filter Stages

Blue Pure 311i+ Max uses a 4-stage filtration system, compared to Levoit's 3-stage system. More stages often mean enhanced purification for varied pollutants, making Blue Pure better for complex indoor air concerns.

Total number of filtration stages used in the air cleaning process.

Pre Filter Type

What is the pre-filter type?

58 Blue Pure 311i+ Max 0Votes Fabric

76 Levoit Core 400S 0Votes Mesh

Blue Pure 311i+ Max
vs
Levoit Core 400S
Pre Filter Type

The pre-filter differs: Blue Pure uses fabric while Levoit employs mesh. Fabric may capture finer particles and is washable on Blue Pure, adding convenience and reducing replacement costs.

The type of pre-filter that captures larger dust and hair.

Activated Carbon Amount

How much activated carbon does it have?

Who knows? 0Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

1.1 oz 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Activated Carbon Amount

Levoit Core 400S contains 1.1 oz of activated carbon, enhancing odor and gas absorption, whereas Blue Pure 311i+ Max’s activated carbon amount isn't specified, possibly indicating less odor control strength.

Total amount of activated carbon used in the filter.

Filter Material Composition

What materials are used in the filter?

51 Blue Pure 311i+ Max 0Votes Fabric, Carbon

36 Levoit Core 400S 0Votes Fiberglass, Plastic

Blue Pure 311i+ Max
vs
Levoit Core 400S
Filter Material Composition

Filter materials vary: Blue Pure combines fabric and carbon, while Levoit uses fiberglass and plastic. This could affect filter replacement cost and efficacy; fabric filters are typically easier to clean.

Materials used in constructing the filter media.

Filter Life Duration

What is the filter life duration?

9 month 0Votes
Blue Pure 311i+ Max
12 month 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Filter Life Duration

Blue Pure 311i+ Max has a 9-month filter life duration, shorter than Levoit Core 400S’s 12 months. More frequent replacements mean higher maintenance but potentially fresher filtration.

Expected lifespan of the filter before replacement.

Filter Washable

Are the filters washable?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Filter Washable

Blue Pure filters are washable, an eco-friendly and cost-saving feature; Levoit Core 400S filters are not washable, requiring complete replacements, impacting long-term ownership costs.

Indicates whether filters can be washed and reused.

Filter Efficiency Percentage

What is the filter efficiency percentage?

99.97 % 0Votes
Blue Pure 311i+ Max
99.97 % 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The unit captures 99.97% of airborne particles, including pet dander, dust, and even smoke, making it highly effective for allergy sufferers.

Levoit Core 400S
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.

Filter Replacement Indicator

Does it have a filter replacement indicator?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The filter replacement indicator alerts you when it's time to change the filter, ensuring optimal performance without guessing.

Levoit Core 400S
Levoit Core 400S

Alerts you when the filter needs replacing, making maintenance easier.

Alerts user when it’s time to replace filters.

Primary Filter Type

What is the primary filter type?

68 Blue Pure 311i+ Max 0Votes HEPA

66 Levoit Core 400S 0Votes HEPA

Levoit Core 400S
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.

HEPA Filter Grade

What is the HEPA filter grade?

78 Blue Pure 311i+ Max 0Votes H13

76 Levoit Core 400S 0Votes H13

Levoit Core 400S
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.

Carbon Filter Type

What is the carbon filter type?

88 Blue Pure 311i+ Max 0Votes Activated Carbon

86 Levoit Core 400S 0Votes Activated Carbon

Levoit Core 400S
Levoit Core 400S

Activated carbon helps neutralize odors, including smoke, pet smells, and cooking fumes.

Type of carbon material used for odor and gas removal.

Antibacterial Coating

Does it have antibacterial coating?

No 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Levoit Core 400S
Levoit Core 400S

Does not include an antibacterial coating; however, it still provides efficient air purification.

Indicates if the filter surface has antibacterial treatment.

Air Quality & Sensors 15

Auto Dimming Display

Does it have an auto dimming display?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Auto Dimming Display

Automatic dimming of the LED display is supported by Blue Pure 311i+ Max but not Levoit Core 400S, reducing glare in dark rooms and improving user comfort during sleep.

Adjusts screen brightness automatically based on lighting.

Odor Sensor

Does it have an odor sensor?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Odor Sensor

Blue Pure 311i+ Max includes an odor sensor, while Levoit lacks this feature. This allows Blue Pure to detect and respond to odors automatically, improving real-time indoor air quality control.

Detects unpleasant smells or chemical odors.

VOC Sensor

Does it have a VOC sensor?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
VOC Sensor

VOC (volatile organic compound) sensors are present on Blue Pure 311i+ Max but missing on Levoit Core 400S, allowing Blue Pure to monitor and adjust to harmful gases, enhancing air freshness and safety.

Detects volatile organic compounds and harmful gases.

Air Quality Sensor

Does it have an air quality sensor?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The air quality sensor automatically detects the level of pollutants in the room and adjusts the fan speed accordingly. A great feature for maintaining optimal air quality without manual intervention.

Detects overall air quality and pollution level.

Automatic Mode

Does it have an automatic mode?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Adjusts purification level automatically based on air quality.

Auto Fan Speed Adjustment

Does it support auto fan speed adjustment?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Automatically changes fan speed based on sensor data.

Dust Sensor

Does it include a dust sensor?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Detects airborne dust particles to optimize performance.

CO2 Sensor

Does it include a CO2 sensor?

No 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Monitors carbon dioxide levels in the air.

PM25 Sensor

Does it include a PM2.5 sensor?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Detects PM2.5 fine particles (2.5 microns and smaller).

PM10 Sensor

Does it have a PM10 sensor?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Detects coarse dust particles (10 microns and larger).

Temperature Sensor

Does it have a temperature sensor?

No 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Measures ambient temperature for comfort optimization.

Humidity Sensor

Does it include a humidity sensor?

No 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Detects humidity level in the environment.

Controls & Interface 13

Physical Buttons

Does it include physical buttons?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Physical Buttons

Blue Pure offers physical buttons, providing tactile control, unlike Levoit Core 400S which relies solely on touch controls, impacting user preference for interface feedback.

Provides tactile buttons for basic operation.

Remote Control

Does it come with a remote control?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Remote Control

Blue Pure 311i+ Max includes a remote control, while Levoit Core 400S does not. This gives Blue Pure users more convenience to adjust settings from a distance.

Allows operation from a distance using a remote device.

Timer Function

Does it have a timer function?

No 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Timer Function

Levoit Core 400S supports a timer function for scheduled operation, absent on Blue Pure 311i+ Max, offering better energy management and automated use.

Lets users set specific operating durations.

Sleep Mode

Does it feature a sleep mode?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The sleep mode operates at the quietest setting, with dimmed lights, ensuring a peaceful night’s rest without disturbing noise.

Operates quietly with dimmed display for sleeping.

Child Lock

Does it include a child lock?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The child lock feature prevents accidental changes to the settings, making it safer for homes with children.

Prevents accidental operation by children.

Touch Controls

Does it have touch controls?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Allows operation via touch-sensitive interface.

Touch Sensitivity Level

What is the touch sensitivity level?

Who knows? 0Votes Blue Pure 311i+ Max (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.

Mobile App Control

Can it be controlled through a mobile app?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Enables control via smartphone application.

Display Brightness Adjustment

Can the display brightness be adjusted?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Allows users to adjust the display brightness manually.

Control Panel Location

Where is the control panel located?

38 Blue Pure 311i+ Max 0Votes Top

36 Levoit Core 400S 0Votes Top

Indicates where the main control panel is located.

Filter Reset Button

Does it have a filter reset button?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Dedicated button to reset the filter indicator after replacement.

WiFi Indicator Light

Does it have a WiFi indicator light?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Shows WiFi connectivity status visually.

Fan & Operation Modes 10

Eco Mode

Does it have an eco mode?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Eco Mode

Eco mode is available on Blue Pure 311i+ Max for energy-saving operation, but Levoit Core 400S lacks this mode, which may affect operational costs and environmental impact.

Energy-saving mode that reduces power usage.

Turbo Mode

Does it include a turbo mode?

No 0Votes Blue Pure 311i+ Max

Yes 1Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Turbo Mode

Levoit Core 400S supports a Turbo mode for rapidly increasing airflow and purification, a feature the Blue Pure 311i+ Max lacks, useful for quickly clearing heavily polluted air.

High-power mode for rapid air purification.

Turbo mode on the Levoit Core 400S is a neat feature for when you need rapid air cleaning, not available on the Blue Pure 311i+ Max.

See more

Fan Speed Levels

What fan speed levels are available?

59 Blue Pure 311i+ Max 0Votes Low, Medium, High, Auto, Night

46 Levoit Core 400S 0Votes Low, Medium, High

Blue Pure 311i+ Max
vs
Levoit Core 400S
Fan Speed Levels

Fan speed levels differ: Blue Pure 311i+ Max has 5 speeds including Auto and Night mode, while Levoit offers only 3 speeds. More levels allow finer tuning of airflow and noise balance.

Lists the available fan speed levels or names.

Manual Mode

Does it include manual mode?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Manual Mode

Manual mode for fan speed control is supported by Blue Pure 311i+ Max but not by Levoit Core 400S, offering more user customization potential on Blue Pure.

Allows manual fan speed and mode selection by the user.

Maximum Fan Speed

What is the maximum fan speed?

Who knows? 0Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

45.3 rpm 0Votes
Levoit Core 400S

Maximum fan rotation speed when operating at full power.

Minimum Fan Speed

What is the minimum fan speed?

Who knows? 0Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

16.7 rpm 0Votes
Levoit Core 400S

Lowest rotation speed for quiet or energy-saving mode.

Sleep Quiet Mode

Does it feature a sleep or quiet mode?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Minimizes noise and display brightness for nighttime use.

Custom Mode

Does it support a custom mode?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Lets users set personalized mode settings or schedules.

Oscillation

Does it feature oscillation?

No 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Rotates or swings to distribute air evenly across a room.

Airflow Direction Control

Can you control the airflow direction?

No 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Allows users to adjust the direction of purified airflow.

Safety & Protection 9

Electrical Protection Rating

What is the electrical protection rating?

68 Blue Pure 311i+ Max 0Votes IP50

26 Levoit Core 400S 0Votes IP20

Blue Pure 311i+ Max
vs
Levoit Core 400S
Electrical Protection Rating

Electrical protection rating differs; Blue Pure has IP50, suitable for some dust protection, whereas Levoit has IP20, indicating a lower dust ingress protection level, important for durability in dusty environments.

Indicates protection level against dust or electrical contact.

Overheat Protection

Does it have overheat protection?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Prevents damage by automatically shutting down when overheating.

Tipover Protection

Does it include tipover protection?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Shuts off the device automatically if it tips over.

Power Surge Protection

Does it include power surge protection?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Protects internal components from voltage spikes.

Safety Auto Shutoff

Does it feature safety auto shutoff?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Automatically turns off under unsafe or fault conditions.

UV Safety Shield

Does it include a UV safety shield?

No 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Shields users from direct UV light exposure in UV-enabled models.

Ozone Emission Safe

Is it ozone emission safe?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Ensures ozone emissions remain within safe levels.

Power Failure Memory

Does it have power failure memory?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Remembers last settings after a power outage.

Fuse Type

What type of fuse does it use?

38 Blue Pure 311i+ Max 0Votes Thermal Fuse

36 Levoit Core 400S 0Votes Thermal Fuse

Identifies the type of fuse used for electrical safety.

Build & Materials 7

Build Type

What is the build type?

58 Blue Pure 311i+ Max 0Votes Compact

36 Levoit Core 400S 0Votes Fixed

Blue Pure 311i+ Max
vs
Levoit Core 400S
Build Type

Build type is compact for Blue Pure 311i+ Max versus fixed for Levoit Core 400S, implying Blue Pure is designed for portability while Levoit targets stable placement.

Defines the overall design structure of the purifier.

Build Quality Grade

What is the build quality grade?

58 Blue Pure 311i+ Max 0Votes Standard

96 Levoit Core 400S 0Votes Premium

Blue Pure 311i+ Max
vs
Levoit Core 400S
Build Quality Grade

Build quality grade is 'Standard' for Blue Pure and 'Premium' for Levoit Core 400S, suggesting Levoit might offer better materials or finish, appealing for users valuing durability and design.

Indicates the overall craftsmanship and material precision.

Scratch Resistance

Is the purifier scratch resistant?

No 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Scratch Resistance

Scratch resistance is absent on Blue Pure 311i+ Max but present on Levoit Core 400S, meaning Levoit will better maintain its aesthetics over time in everyday use.

Indicates resistance of the body surface to scratches.

Body Material

What material is the purifier body made of?

68 Blue Pure 311i+ Max 0Votes ABS Plastic

66 Levoit Core 400S 0Votes ABS Plastic

Describes the main material used for the purifier body.

Filter Frame Material

What is the filter frame material?

68 Blue Pure 311i+ Max 0Votes Plastic

66 Levoit Core 400S 0Votes Plastic

Indicates the material used for the filter housing or frame.

Finish Texture

What type of finish texture does it have?

38 Blue Pure 311i+ Max 0Votes Matte

36 Levoit Core 400S 0Votes Matte

Describes the surface finish of the air purifier.

Portability Handles Wheels

Does it have handles or wheels for portability?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Indicates presence of handles or wheels for easier movement.

Maintenance & Usability 8

Filter Replacement Method

What is the filter replacement method?

48 Blue Pure 311i+ Max 0Votes Pull Out

66 Levoit Core 400S 1Votes Twist Lock

Blue Pure 311i+ Max
vs
Levoit Core 400S
Filter Replacement Method

Filter replacement methods differ: Blue Pure uses a pull-out style, easier for quick swaps; Levoit uses a twist-lock, ensuring a secure fit but potentially a more involved replacement process.

Describes how the filter can be removed and replaced.

The twist lock filter replacement on the Levoit Core 400S looks so much easier compared to the pull-out method on the Blue Pure 311i+ Max.

See more

Cleaning Frequency

How often should it be cleaned?

30 days 0Votes
Blue Pure 311i+ Max
24 days 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Cleaning Frequency

Cleaning frequency recommended is 30 days for Blue Pure versus 24 days for Levoit Core 400S, indicating Levoit may need more frequent maintenance to sustain optimal performance.

Recommended frequency of cleaning for optimal performance.

Filter Replacement Cost Estimate

What is the estimated filter replacement cost?

61 Blue Pure 311i+ Max 0Votes $45

69 Levoit Core 400S 0Votes $30

Blue Pure 311i+ Max
vs
Levoit Core 400S
Filter Replacement Cost Estimate

Filter replacement cost is lower for Levoit Core 400S at $30 compared to Blue Pure 311i+ Max's $45, important for budget-conscious buyers factoring long-term ownership costs.

Approximate cost for standard replacement filters.

Ease Of Access

How is the ease of access for cleaning or filter changes?

88 Blue Pure 311i+ Max 0Votes Front Access

86 Levoit Core 400S 0Votes Front Access

Indicates how easily users can reach filters and components.

Tool Free Maintenance

Is maintenance tool free?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Allows maintenance without using additional tools.

Cleaning Tools

Are cleaning tools included?

No 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Specifies if cleaning accessories are provided with the unit.

Maintenance Indicator

Does it have a maintenance indicator?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Alerts when maintenance or cleaning is needed.

Maintenance Frequency Reminder

Does it include a maintenance frequency reminder?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Provides reminders for regular filter replacement or cleaning.

Smart & Connectivity Features 12

Bluetooth Connectivity

Does it have Bluetooth connectivity?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Bluetooth Connectivity

Bluetooth connectivity is supported by Blue Pure 311i+ Max but missing in Levoit Core 400S, allowing Blue Pure users to connect more seamlessly with smartphones and smart home devices.

Allows wireless connection via Bluetooth for setup or local control.

Data Logging

Does it support data logging?

Yes 1Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Data Logging

Data logging feature on Blue Pure 311i+ Max stores air quality history, which Levoit Core 400S does not offer, helpful for understanding long-term air quality trends and adjustments.

Logs air quality, usage, and performance data for analysis.

Blue Pure 311i+ Max having data logging is a game-changer to track air quality trends over time.

See more

Offline Mode

Does it have an offline mode?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Offline Mode

Offline mode is available on Blue Pure 311i+ Max but not on Levoit Core 400S, which means Blue Pure can operate or maintain settings without internet connection, enhancing reliability.

Operates fully even without an internet connection.

Remote Start Stop

Can it be started or stopped remotely?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Remote Start Stop

Remote start and stop features are offered by Blue Pure 311i+ Max but missing in Levoit Core 400S, improving convenience for Blue Pure users to control operation from anywhere.

Enables turning the purifier on or off remotely via app or voice.

Multi-Device Sync

Does it support multi-device sync?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Multi-Device Sync

Multi-device sync is supported on Blue Pure but not on Levoit Core 400S, allowing for coordinated control of multiple units in large homes or offices.

Synchronizes multiple purifiers or devices under one control.

Usage History

Does it keep usage history?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Usage History

Usage history tracking is included on Blue Pure 311i+ Max but absent on Levoit Core 400S, aiding users in managing filter lifespan and device performance efficiently.

Records previous usage patterns and air quality stats.

WiFi Connectivity

Does it have WiFi connectivity?

Yes 1Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

WiFi connectivity allows you to control the air purifier remotely via a mobile app, giving you full control even when you're not at home.

Indicates if the air purifier can connect to WiFi for app or remote control.

I really appreciate Blue Pure 311i+ Max having both WiFi and Bluetooth connectivity, which makes smart control easy.

See more

Voice Assistant Compatibility

Which voice assistants is it compatible with?

76 Blue Pure 311i+ Max 0Votes Alexa, Google Assistant

74 Levoit Core 400S 0Votes Alexa, Google Assistant

Blue Pure 311i+ Max
Blue Pure 311i+ Max

Voice control allows you to adjust settings hands-free using Alexa or Google Assistant, ideal for smart home integration.

Specifies which voice assistants are supported.

Cloud Connectivity

Does it support cloud connectivity?

Yes 0Votes Blue Pure 311i+ Max

No 0Votes Levoit Core 400S

Connects to cloud services for remote access and data sync.

App Integration

Does it integrate with mobile apps?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Integrates with manufacturer or third-party mobile applications.

IFTTT Or Smart Home Integration

Does it support IFTTT or smart home integration?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Integrates with automation platforms like IFTTT or smart home hubs.

Firmware Update Capability

Can it update firmware automatically?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Allows over-the-air firmware updates for new features or bug fixes.

Environmental & Sustainability 7

Carbon Footprint Rating

What is its carbon footprint rating?

Who knows? 0Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

8.3 kgCO2e 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Carbon Footprint Rating

Levoit Core 400S lists a carbon footprint rating of 8.3 kgCO2e, while Blue Pure 311i+ Max does not specify. Lower or unspecified carbon footprints may appeal to eco-conscious consumers.

Approximate carbon footprint of the device’s lifecycle.

Standby Power Usage

How much power does it use on standby?

Who knows? 0Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

1.5 W 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Standby Power Usage

Standby power usage for Levoit Core 400S is 1.5W, beneficial for energy savings, whereas Blue Pure 311i+ Max does not specify this metric, making Levoit potentially more efficient in standby mode.

Power consumption when the device is on standby mode.

Noise Eco Mode

What is the noise level in eco mode?

23 dB 0Votes
Blue Pure 311i+ Max
16.7 dB 0Votes
Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Noise Eco Mode

Noise level in Eco mode is 16.7 dB for Levoit Core 400S, quieter than Blue Pure 311i+ Max's 23 dB, making Levoit preferable in noise-sensitive settings like nurseries or bedrooms.

Noise level during eco or low power mode.

Eco Friendly Materials

Are eco-friendly materials used?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

Made with eco-friendly materials, this unit is designed with sustainability in mind, which is great for those looking to reduce their environmental impact.

Indicates whether the product uses eco-friendly materials.

Recyclable Filters

Are the filters recyclable?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The filters are recyclable, helping to reduce waste and making it an environmentally conscious choice.

Indicates if filters are recyclable after use.

Sustainable Packaging

Is the packaging sustainable?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

Comes in sustainable packaging, further reducing the environmental footprint of the product.

Describes if the packaging uses recyclable or biodegradable materials.

Low Ozone Emission

Does it have low ozone emission?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Ensures minimal ozone emission during operation.

Accessories & Package Contents 8

Filter Replacement Tool

Is a filter replacement tool included?

No 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
vs
Levoit Core 400S
Filter Replacement Tool

Levoit Core 400S includes a filter replacement tool in the package, which Blue Pure 311i+ Max lacks, simplifying maintenance and filter swaps for Levoit users.

Indicates whether a tool for filter replacement is provided.

Filters

Are filters included in the box?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Specifies if the product includes initial filters in the box.

Spare Filters

Are spare filters included?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Indicates whether additional spare filters are provided.

Power Cord

Is the power cord included?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

States whether a power cord is included in the box.

Power Adapter

Is a power adapter included?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Specifies if an external power adapter is provided.

Setup Guide

Is there a setup guide included?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Confirms if a setup or quick start guide is provided.

User Manual

Is a user manual included?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Confirms the presence of a printed or digital user manual.

Warranty Card

Is a warranty card included?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Indicates the inclusion of a warranty registration card.

Certification & Standards 11

Energy Star Certified

Is it Energy Star certified?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The unit is Energy Star certified, meaning it meets strict energy efficiency guidelines and helps lower your utility bill.

Indicates certification for energy-efficient performance.

AHAM Verified

Is it AHAM verified?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Indicates if the air purifier is verified by the Association of Home Appliance Manufacturers.

CARB Certified

Is it CARB certified?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Confirms compliance with California Air Resources Board standards for ozone emission safety.

ETL Listed

Is it ETL listed?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Shows compliance with North American electrical safety standards.

UL Listed

Is it UL listed?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Indicates UL certification for electrical and fire safety.

CSA Certified

Is it CSA certified?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Certifies compliance with Canadian Standards Association safety requirements.

EPA Certified

Is it EPA certified?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Verifies compliance with U.S. Environmental Protection Agency standards.

RoHS Compliant

Is it RoHS compliant?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Ensures restriction of hazardous substances in components and materials.

FCC Certified

Is it FCC certified?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Indicates compliance with Federal Communications Commission standards for electronic emissions.

CE Certified

Is it CE certified?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Confirms compliance with European safety, health, and environmental protection standards.

ISO Certified

Is it ISO certified?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Indicates certification under ISO standards for quality or environmental management.

Warranty & Support 9

Warranty Duration

What is the warranty duration?

28 Blue Pure 311i+ Max 0Votes 1 year

46 Levoit Core 400S 1Votes 2 years

Blue Pure 311i+ Max
vs
Levoit Core 400S
Warranty Duration

The Levoit Core 400S offers a longer warranty of 2 years, double Blue Pure 311i+ Max’s 1-year coverage, providing more extended peace of mind and manufacturer support.

Specifies how long the product is covered under warranty.

The 2-year warranty on the Levoit Core 400S gives me way more confidence than the Blue Pure 311i+ Max's 1 year.

See more

Warranty Service Type

What type of warranty service is included?

58 Blue Pure 311i+ Max 0Votes Carry In

76 Levoit Core 400S 1Votes On Site

Blue Pure 311i+ Max
vs
Levoit Core 400S
Warranty Service Type

Warranty service type differs: Blue Pure 311i+ Max uses carry-in service, whereas Levoit Core 400S offers on-site service, facilitating easier repairs and customer convenience with Levoit.

Defines how warranty service is provided.

Having onsite warranty service and nationwide support with the Levoit Core 400S really wins me over.

See more

Service Center Availability

What is the service center coverage?

38 Blue Pure 311i+ Max 0Votes Local

96 Levoit Core 400S 0Votes Nationwide

Blue Pure 311i+ Max
vs
Levoit Core 400S
Service Center Availability

Service center availability is local for Blue Pure and nationwide for Levoit Core 400S, meaning Levoit users have broader access to repair and support facilities.

Describes the scope of service center availability.

Customer Support Channel

What are the customer support channels?

51 Blue Pure 311i+ Max 0Votes Phone, Email, Live Chat

51 Levoit Core 400S 0Votes Phone, Email, Live Chat, Website

Blue Pure 311i+ Max
vs
Levoit Core 400S
Customer Support Channel

Levoit Core 400S provides more customer support channels including a website chat option, whereas Blue Pure 311i+ Max offers phone, email, and live chat only, enhancing accessibility.

Lists available communication channels for customer support.

Extended Warranty Availability

Is extended warranty available?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

Indicates whether extended warranty options are offered.

Onsite Service Availability

Is onsite service available?

Yes 0Votes Blue Pure 311i+ Max

Yes 0Votes Levoit Core 400S

States whether technicians can provide onsite service or repair.

Online Support Platform

What online support platform is available?

78 Blue Pure 311i+ Max 0Votes Website

76 Levoit Core 400S 0Votes Website

Specifies the platform used for online support or warranty registration.

Response Time

What is the typical customer support response time?

24 hours 0Votes
Blue Pure 311i+ Max
24 hours 0Votes
Levoit Core 400S

Average time for customer support to respond.

Return Policy

What is the return policy duration?

58 Blue Pure 311i+ Max 0Votes 30 Days

56 Levoit Core 400S 0Votes 30 Days

Defines the allowable time period for product returns.

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
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Very good — Removes 95% to 99% of particles
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Decent — Removes 85% to 95% of particles
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Weak — Removes 70% to 85% of particles
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Poor — Removes under 70% of particles
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Air Circulation Speed

How quickly does this air purifier clean the air in a medium-sized room?

Very fast — Under 10 minutes
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Fast — 10 to 20 minutes
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Moderate — 20 to 30 minutes
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Slow — 30 to 45 minutes
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Very slow — Over 45 minutes
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Noise Level

How quiet is this air purifier during normal operation?

Very quiet — Under 25 dB
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Quiet — 25 to 35 dB
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Moderate — 35 to 45 dB
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Loud — 45 to 55 dB
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Very loud — Over 55 dB
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

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
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Easy — A few steps but clear instructions
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Average — Needed some effort but manageable
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Tricky — Confusing or unclear setup steps
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Frustrating — Difficult and time-consuming setup
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Filter Replacement Convenience

How easy is it to replace the filter on this air purifier?

Very simple — Quick and tool-free
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Easy — Takes only a few minutes
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Average — Manageable but a bit fiddly
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Hard — Requires tools or careful handling
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Very hard — Complicated or frustrating process
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Filter Lifespan

How long does the filter in this air purifier typically last?

Very long — Over 12 months
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Long — 9 to 12 months
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Average — 6 to 9 months
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Short — 3 to 6 months
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Very short — Under 3 months
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Energy Consumption

How energy-efficient is this air purifier during daily use?

Very efficient — Under 30 watts
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Efficient — 30 to 50 watts
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Moderate — 50 to 80 watts
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
High — 80 to 120 watts
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Very high — Over 120 watts
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Design Appeal

How would you rate the design and appearance of this air purifier?

Sleek and stylish — Looks modern and fits any room
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Clean and simple — Looks nice and unobtrusive
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Average — Functional but plain
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Bulky — Takes space and looks outdated
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Clunky — Unattractive and poorly designed
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Portability and Size

How convenient is the size and portability of this air purifier?

Very compact — Under 10 pounds
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Compact — 10 to 15 pounds
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Medium — 15 to 20 pounds
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Large — 20 to 25 pounds
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Very large — Over 25 pounds
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Pricing

How do you feel about the price of this air purifier?

Great value for money
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Pretty good price
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Fair deal
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Kinda pricey
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S
Crazy expensive
0Votes
Blue Pure 311i+ Max
0Votes
Levoit Core 400S

Guides 2

Files 1

Blueair Blue Pure 311i+ Max User Manual

shopify.com
shopify.com

Files 1

Levoit Core 400S User Manual

levoit.com
levoit.com

Reviews 0

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Average Rating

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Levoit Core 400S
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Levoit
Levoit
Levoit Core 400S
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