About This Item
The Levoit PlasmaPro 400S Smart Air Purifier changes the air 4.8x per hour in a 358 sq ft space, running with noise levels as low as 22dB. Filter at least 99.97% of airborne particles down to 0.3 microns and adsorb VOCs, odors, fumes, and smoke with 3-stage filtration. 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.