True-HEPA filter captures 99.97% of airborne pollutants; dust mites, pet dander, pollen and other allergens as small as 0.3 microns. Washable AOC Carbon Filter, made from activated carbon granulars for removal of household odors. PlasmaWave acts as a permanent filter to safely break down odor, allergens, chemical vapors and other pollutants - with no harmful ozone. Smart Sensors gauge the air and our Auto Mode adjusts the fan to filter the air as needed; with a sleep mode for silent night-time operation. CADR rated for 360 sq. ft. room size. Suitable for medium and large rooms; kids bedrooms, family rooms and kitchens.