Levoit Core 400S-P Smart Air Purifier

Product Overview

The Levoit Core 400S-P is a connected room air purifier designed for bedrooms, living rooms, offices, and other medium-sized indoor spaces. Its cylindrical housing draws air through openings around the lower body and releases filtered air through the upper outlet. This arrangement allows the appliance to collect air from multiple directions when sufficient clearance is maintained.

The replaceable three-stage filter combines a pre-filter, a main particle-filtering layer, and activated carbon. These layers address airborne dust, pollen, pet dander, smoke particles, lint, and other material that reaches the intake. The carbon layer can also reduce certain household odors and gases, although its capacity decreases with use.

A laser-based particle sensor monitors PM2.5 concentrations and supports automatic fan adjustment. Users can view current readings on the control panel or through the VeSync mobile application. Connected functions include remote operation, scheduling, filter-life monitoring, and compatible voice controls. The purifier has a published clean air delivery rate of 231 cubic feet per minute and supports manual fan speeds, sleep mode, timers, and display controls.

Product Information

Identification

Physical Details

Product Identifier Summary

• Model number: Identifies the appliance design and helps users locate matching instructions, filters, and technical support.
• MPN: A manufacturer part number distinguishes a specific product configuration for inventory, service, and replacement-part matching.
• UPC: A 12-digit barcode used for inventory, product matching, and point-of-sale identification.
• EAN: An international retail barcode commonly used outside North America. A separate verified EAN was not identified for this configuration.
• GTIN: A global product-identification framework that includes UPC, EAN, and 14-digit product codes.
• ASIN: A catalog identifier used to distinguish this product configuration within a large online product database.
• ISBN: An identifier used for books and certain published media. It does not apply to this appliance.

Key Features

• Three-stage filtration with a pre-filter, main particle filter, and activated-carbon layer.
• Full-circumference lower intake for drawing room air from multiple directions.
• Laser-based particle sensor for monitoring PM2.5 levels.
• Automatic mode that changes fan speed according to measured particle concentrations.
• Numerical PM2.5 display and color-coded air-quality indicator.
• VeSync mobile application support for remote controls and monitoring.
• Scheduling, timer, and filter-life functions through the connected application.
• Compatibility with supported voice-assistant platforms.
• Sleep mode with reduced fan sound and display illumination.
• Multiple manual fan-speed settings.
• Display-lock control for preventing unintended setting changes.
• Filter-replacement indicator.

Technical Specifications

Package Contents

• One Levoit Core 400S-P smart air purifier
• One pre-installed three-stage filter
• One user manual
• One quick-start guide

Compatibility

The purifier uses replacement filters specifically designed for the Core 400S-P. Filters made for the Core 300, Core 600S, Core 200S, or other differently sized housings are not interchangeable.

Levoit offers standard and specialized Core 400S-P filter configurations. Specialized versions may use different quantities or types of activated carbon for smoke, pet-related particles, or household gases.

Connected functions require the VeSync application, a compatible mobile device, and access to a supported Wi-Fi network. Voice commands require a linked account on a supported voice-assistant platform.

The North American configuration is intended for 120-volt, 60-hertz electrical service. It should not be connected directly to a power system with an incompatible voltage or frequency.

Common Uses

• Filtering airborne dust and pollen in bedrooms, offices, and living rooms.
• Capturing pet dander, hair fragments, lint, and other particles entering the filter.
• Reducing fine particles associated with cooking, smoke, and outdoor pollution.
• Reducing certain household and pet-related odors through activated carbon.
• Monitoring changes in indoor PM2.5 concentrations.
• Automatically adjusting airflow when measured particle levels change.
• Operating according to schedules created through the mobile application.
• Providing lower-noise filtration during sleep or quiet work periods.
• Controlling purifier settings remotely from a compatible mobile device.

The purifier captures airborne material that passes through its filter. It does not remove dust, hair, allergens, or mold already deposited on surfaces or growing within building materials.

Installation and Setup

• Disconnect the purifier from electrical power before opening the filter compartment.
• Turn the appliance over carefully to access the lower filter cover.
• Remove the filter from the housing before initial operation.
• Take off all protective plastic packaging from the filter.
• Return the unpackaged filter to the purifier in its documented orientation.
• Secure the lower cover before returning the appliance to an upright position.
• Place the purifier on a firm, level, and dry indoor surface.
• Maintain at least 15 inches of open space around the housing.
• Keep furniture, curtains, bedding, paper, and walls away from the intake and outlet.
• Follow the VeSync instructions when connecting the purifier to a wireless network.

Maintenance and Care

Turn off and unplug the purifier before cleaning, moving, or replacing its filter. Wipe the exterior housing with a soft, dry cloth. Do not allow water or cleaning products to enter the controls, sensor, motor, or electrical components.

Inspect the outer pre-filter surface regularly for accumulated dust, hair, and lint. Loose material may be removed carefully with a soft brush or low-suction vacuum attachment. The complete filter should not be washed or immersed in water.

Filter life depends on daily operating time, fan speed, smoke, pets, odors, and indoor particle concentrations. General manufacturer guidance places normal replacement within approximately six to twelve months, although demanding conditions may shorten that period.

The air-quality sensor may require periodic cleaning if dust collects near its opening. Follow the user manual when accessing or cleaning the sensor area. Store unused filters in sealed packaging away from moisture, sunlight, and strong odors.

After installing a new filter, reset the filter-life indicator using the control panel or the VeSync application. The indicator estimates service life and does not directly measure all filter contamination.

Safety Information

• Use the purifier indoors and only for its documented air-filtration purpose.
• Remove all protective plastic from the filter before operating the appliance.
• Do not operate the purifier without a compatible filter and secured lower cover.
• Do not block the lower intake or upper air outlet.
• Keep the appliance, power cord, plug, controls, and sensor away from water.
• Do not handle the plug or purifier with wet hands.
• Disconnect the purifier before cleaning, moving, or replacing the filter.
• Do not operate the appliance with a damaged cord, plug, housing, fan, or control panel.
• Keep the purifier away from open flames, heating equipment, and combustible gases.
• Do not insert fingers or foreign objects through the ventilation openings.
• Do not place liquids, fabric, or heavy objects on top of the purifier.
• Supervise children when the appliance is operating nearby.
• The display lock prevents control changes but does not replace adult supervision.
• The purifier does not replace ventilation, smoke alarms, carbon-monoxide detectors, or pollution-source control.
• Air filtration cannot guarantee removal of every contaminant or prevention of illness.
• The product carries a California Proposition 65 warning concerning possible exposure to lead.

Product History

The Core 400S belongs to Levoit’s Core family of cylindrical room air purifiers. It was developed as a connected model positioned between smaller Core-series appliances and the higher-capacity Core 600S.

The Core 400S-P designation is used for the current product configuration. White and black versions have been publicly documented under separate catalog records while retaining the same general purifier design.

Related Core-series models use similar operating concepts but have different dimensions, airflow ratings, sensors, and replacement filters. A model name should therefore be confirmed before ordering filters or using technical documentation.

Frequently Asked Questions

How can the exact model be identified?

Check the rating label on the underside or rear of the purifier. The model should also appear in the user manual, original packaging, and connected application.

Are Core 400S and Core 400S-P the same product family?

Yes. Core 400S identifies the base model, while Core 400S-P is used for the current packaged product configuration.

Does the purifier require permanent installation?

No. It is a portable, freestanding appliance that requires a stable surface, a compatible outlet, and adequate airflow clearance.

Can the purifier operate without Wi-Fi?

Yes. Power, fan speed, automatic mode, sleep mode, and other basic functions remain available through the onboard controls.

What functions require the mobile application?

The application supports remote operation, schedules, detailed filter monitoring, notifications, and access to connected account features.

Does the purifier automatically adjust its fan?

Yes. Automatic mode changes fan speed in response to readings from the built-in particle sensor.

What does the PM2.5 display show?

It reports the concentration of fine airborne particles detected near the sensor. It does not identify the particles’ chemical composition or source.

Can the filter be washed?

No. Water can damage the main filter and activated-carbon layer. Loose debris may be removed carefully from the outer pre-filter surface.

Which replacement filter fits the purifier?

Use a replacement filter specifically identified for the Levoit Core 400S-P. Filters for smaller or larger Core models have different dimensions.

How often should the filter be replaced?

Replacement is generally expected within six to twelve months. Heavy smoke, pets, odors, high particle levels, or continuous use may shorten that interval.

How is the filter indicator reset?

After installing a new filter, use the filter-reset control on the purifier or the corresponding function in the VeSync application.

Why might the air-quality reading change while cooking or cleaning?

Cooking fumes, aerosol products, smoke, open windows, and disturbed dust can increase fine-particle concentrations near the sensor.

Why might the sensor reading remain high?

Continuing pollution sources, a dusty sensor opening, blocked airflow, or outdoor particles entering the room can affect the displayed value.

Why might airflow become weaker?

A dirty filter, blocked intake, obstructed outlet, or protective packaging left on the filter can restrict airflow.

Does sleep mode turn off filtration?

No. Sleep mode continues filtration at a lower fan setting while reducing operating sound and display brightness.

Can the purifier remove every household odor?

No. Activated carbon can reduce certain gases and odors, but performance depends on the substance, concentration, airflow, and remaining carbon capacity.

Can it remove pet hair from furniture?

No. The purifier may capture lightweight hair suspended in air, but settled pet hair requires ordinary surface cleaning.

Can the purifier remove mold from walls?

No. It may capture some airborne spores, but it cannot remove established mold growth or correct the moisture source causing it.

Does the maximum coverage represent several air changes per hour?

No. The largest published room figure represents approximately one complete air change per hour. The smaller room rating represents 4.8 changes per hour.

What warranty applies to the Core 400S-P?

Levoit provides a two-year limited consumer-product warranty, subject to current terms, exclusions, proof-of-purchase requirements, and proper use.

Buying Considerations

• The largest room-coverage figure represents approximately one complete air change per hour.
• The smaller published room rating provides 4.8 air changes per hour.
• Clean air delivery rate provides additional context when comparing purifier performance.
• Rooms with high ceilings contain more air than standard rooms with the same floor area.
• Open doors and connected spaces can reduce the number of complete air changes.
• Connected features depend on wireless access, application compatibility, and continued software support.
• Replacement filters create an ongoing maintenance requirement.
• Specialized Core 400S filters may differ in carbon composition and intended pollutant focus.
• Activated carbon has a finite capacity and cannot remove every gas or odor.
• Higher fan settings provide greater airflow but create more audible sound.
• The particle sensor detects particulate concentration but does not identify specific allergens or chemicals.
• The purifier requires open space around its full-circumference intake.
• The appliance does not replace surface cleaning, ventilation, or direct pollution-source removal.

Customer Feedback Summary

This section provides a generalized summary of recurring public customer feedback and independent observations. These comments are subjective and should not be treated as verified technical specifications.

Commonly praised characteristics include quiet operation at lower fan settings, straightforward controls, and responsive automatic fan adjustment. Users often describe the PM2.5 display and mobile application as useful for observing changes caused by cooking, smoke, pets, and outdoor air.

Positive feedback also mentions the compact cylindrical footprint, simple filter access, and ability to create operating schedules. Some users report reductions in airborne dust, pollen, smoke particles, and light household odors after continued use.

Commonly reported limitations include the recurring cost of replacement filters and more noticeable sound at the highest fan setting. Some users experience difficulty during initial wireless pairing or after changes to their network settings.

Other recurring observations include rapid sensor changes during cooking or use of aerosol products. Odor reduction may weaken before the particle-filtering layer appears visibly dirty. Reported results vary with room size, placement, filter condition, fan setting, open doors, and pollutant concentration.

Related Products

• Levoit Core 400S-P replacement filter: The three-stage cylindrical filter designed for this purifier.
• Levoit Core 400S-P black: A darker color configuration within the same product family.
• Levoit Core 300S-P: A smaller connected Core-series purifier with lower airflow capacity.
• Levoit Core 600S-P: A larger connected Core-series purifier designed for greater room-air circulation.
• Levoit Vital 200S-P: A rectangular smart purifier with a washable pre-filter and pet-focused operating features.
• Levoit EverestAir: A larger connected purifier with adjustable airflow direction and expanded air-quality monitoring.

Last Updated

August 5, 2026