Dyson's most advanced filtration system combines a precise, solid-state formaldehyde sensor with a unique catalytic filter that continuously destroys formaldehyde. An activated carbon filter removes gases and odors and a HEPA filter captures 99.97% of particles 0.3 microns in size. And Dyson purifiers have powerful Air Multiplier technology to purify the whole room. Tested In maximum setting for air projection, tested in Auto mode for purification coverage. Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Removes airborne pollutants: HEPA and activated carbon filtration removes 99.97% of particles as small as 0.3 microns Whole-room purification: Air Multiplier technology generates the circulation to purify the whole room Cools you in summer: A powerful stream of purified airflow cools you during warmer weather Night mode: Operates quietly to monitor and purify your room while you sleep 350 oscillation: Adjustable oscillation projects purified air around the whole room Remote control: The neatly-stored remote allows you to quickly change settings Imported SPECIFICATIONS: 8.66'' x 41.34'' x 8.66''. Misc Lsd Dept - Home Leased Mp > Dyson > Saks Fifth Avenue > Barneys. Dyson. Color: White.