Black KAZ Honeywell AirGenius4 Air Cleaner/Odor Reducer captures up to 99.9% microscopic particles as small as 0.3 microns; Freshens air by absorbing odors; Accent lighting with high low off settings; ENERGY STAR rated; Easy to clean permanent washable primary filter; Includes 2 pre-filters (1 permanent & 1 odor-reducing); 4 cleaning levels & filter check indicator; 2 4 & 8 hr auto off timer optional oscillation & allergen intelligence setting; Contemporary iPhone style control panel; AHAM CADR (smoke): 161/ For large rooms (250 sq ft.)