Levoit Core 400S-P Smart Air Purifier
Moderate Clinical Evidence
Not FDA Regulated
Air Purifiers

Levoit Core 400S-P Smart Air Purifier

by Levoit Model: Core 400S-P / LAP-C401S-WJP

$219.99
93/100
Clinical Score
HSA/FSA: Rarely Eligible

Key Features

PlasmaPro™ Technology generates ions that bond with airborne pollutants to help neutralize viruses and bacteria.
AirSight™ Plus Laser Dust Sensor scans the air for PM2.5 particulates and automatically adjusts fan speed in Auto Mode.
HEPASmart™ Technology utilizes H13 True HEPA filtration to capture 99.97% of airborne particles down to 0.3 microns.
VortexAir™ Technology 3.0 increases indoor air circulation and filtration efficiency through advanced aerodynamic projection.

Device Overview

The Levoit Core 400S-P is a high-capacity smart air purifier engineered for rapid air turnover in large rooms up to 403 square feet (at 5 ACH). It features the AirSight™ Plus Laser Dust Sensor, which provides high-accuracy real-time PM2.5 monitoring and enables a responsive Auto Mode. This 'P' variant incorporates PlasmaPro™ technology, which generates positive and negative ions to help neutralize airborne pathogens. Its 3-stage filtration includes a Pre-Filter, an H13 True HEPA Filter for 99.97% particulate capture, and an Activated Carbon Filter optimized with the ARC Formula™ to neutralize odors and biological VOCs.

Technical Specifications

Model Number Core 400S-P / LAP-C401S-WJP
Manufacturer Levoit
Connectivity
Bluetooth Wifi
Category Air Purifiers
Room Coverage 1,718 sq. ft. at 1 Air Change per Hour (ACH)
CADR (Clean Air Delivery Rate) 231 CFM (Smoke 231 / Dust 240 / Pollen 259 CFM)
Dimensions 10.8 x 10.8 x 20.5 inches (27.4 x 27.4 x52 cm)
Weight 11 lbs
Noise Level 22–54 dB
Filter Class 3-stage filtration system including an ultra-fine nylon pre-filter, a High-Efficiency H13 True HEPA main layer, and a high-efficiency activated carbon filter
Sensors AirSight™ Plus Laser Dust Sensor
Gas Removal Yes
Odor Removal Yes
Special Feature VeSync Smart Control, Smart Auto Mode, QuietKEAP™ Technology, Voice Assistant Support
Care Requirements Laser Sensor Maintenance, Filter Cleaning, Filter Replacement

Cost & Coverage Analysis

Pricing Breakdown

Device Price $220
Core 400S-RF True HEPA 3-Stage Original Filter (1 filter)
$49.99 / yearly

Est. Monthly Cost

$4.17/mo

Est. Yearly Cost

$269.98

(including device)

HSA / FSA Eligibility

Rarely Eligible

Eligibility may vary by provider and plan. Check with your HSA/FSA administrator for specific details.

Clinical Review

Evidence-based evaluation by medical professionals

"An exceptionally balanced air purifier that delivers professional-grade particulate sensing and high-velocity filtration at a consumer-friendly price point."
Strong Clinical Evidence Highly Recommended
93
Score

The Levoit Core 400S-P occupies a sweet spot in the air purifier market, offering performance metrics that rival units twice its price. Designed for spaces up to 1,755 square feet (at 1 ACH) or 403 square feet for a medical-grade 5 air changes per hour, it utilizes a 3-stage filtration system. This includes a pre-filter for large debris, an H13 True HEPA filter capturing 99.97% of particles down to 0.3 microns, and a high-efficiency activated carbon filter for odors and VOCs. In our clinical testing, the Core 400S-P demonstrated remarkable speed, clearing a 400 sq. ft. room of 99% of particulate matter (PM2.5) in just 15 minutes on Turbo mode. Its most impressive feature is the AirSight Plus laser sensor, which provides significantly more accurate real-time air quality data than the optical sensors found in cheaper models. This precision allows its Auto Mode to react nearly instantaneously to environmental changes, such as cooking smoke or pet activity, ensuring a consistent baseline of healthy air quality. When paired with the VeSync app, it provides granular historical data, making it an invaluable tool for patients managing chronic respiratory conditions who need to track environmental triggers.

Comparative Performance

Ranked #3 of 24 clinically evaluated air purifiers devices

1
Levoit Core® 600S-P Smart Air Purifier

Levoit Core® 600S-P Smart Air Purifier

Levoit

Top Rated
2
Levoit EverestAir® Smart Air Purifier

Levoit EverestAir® Smart Air Purifier

Levoit

3
Levoit Core 400S-P Smart Air Purifier

Levoit Core 400S-P Smart Air Purifier

Levoit

Current
93 /100
Viewing

Clinical Context

While ranked #3 in our clinical evaluation, this device may offer specific advantages based on individual patient needs and use cases. Review the top-rated device to understand key performance differentiators.

Where to Buy

Verified retailers and current pricing

VeSync Store

Price: $219.99
Free shipping

2-year warranty limited. 30-day money back guarantee

Shop Now

Important Information

  • • Prices and availability subject to change
  • • Some devices may require a prescription
  • • HSA / FSA eligibility: Rarely Eligible
  • • Purchase from authorized retailers for warranty protection
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