The Levoit PlasmaPro® 400S-P Smart Air Purifier purifies the air in an area up to 1,755 sq ft (1 ACH) with noise levels as low as 22dB. Filter at least 99.97% of airborne particles down to 0.3 microns and remove 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. | Levoit | | PlasmaPro 400s-P Smart Air Purifier | White | Best Buy