Levoit - PlasmaPro 400S Smart True HEPA Air Purifier - Black

The Levoit PlasmaPro 400S Smart True HEPA Air Purifier changes the air 5x per hour in a 403 sq ft space, running with noise levels as low as 24dB. Filter at least 99.97% of 0.3-micron airborne particles and filter VOCs, odors, fumes, and smoke with 3-stage filtration, while HEPASmart Technology helps filter 99.99% of bacteria and mold and 99.9% of viruses. PlasmaPro Technology releases negative and positive ions into the air, which bind with contaminants and help neutralize them into harmless matter. The laser dust sensor scans surrounding air for airborne particles and displays the amount detected on the PM2.5 display. With smart control, you can control air purifier settings no matter where you are, connect to third-party voice assistants, and receive real-time notifications about air quality and filter life.

Large coverage

Purify 403 sq ft spaces with whisper-quiet noise levels as low as 24dB.

PlasmaPro technology

Generates negative and positive ions that bind with airborne contaminants and help neutralize particulate matter.

Smart control

Control air purifier settings and receive real-time notifications about air quality, filter life, and more.

H13 true HEPA

Capture at least 99.97% of 0.3-micron airborne particles, including dust, pollen, and pet dander.

HEPASmart technology

Filter 99.99% of bacteria and mold, as well as 99.9% of viruses.

Reduce Odors

With more carbon and the exclusive ARC Formula, neutralize smoke, fumes, VOCs, and household odors.

Real-Time Air Quality

The laser dust sensor scans surrounding air for particles and shows the detected amount on the display.