We have 3MTM Air Cleaner with FiltreteTM Filter, for Rooms up to 16'x20', 320 CADR, 23.5 InchWx9.5 InchDx18.5 InchH, Black per Silver with Product Detail 3M(TM) Office Air Cleaner OAC250, 16 feet x 20 feet. 3M(TM) Air Cleaner w/Filtrete(TM) For conference rooms or other large workspaces up to 16' x 20'. Help clean the air and reduce odors in your workspace. Three fan speeds. Filter change reminder. Ionozer on/off switch. Carrying handle. A three-stage filter design includes both Filtrete® filter media and ionization for airborne particulate removal, and carbon for odor reduction. Many factors, such as smoke, can affect filter performance; however, filter effectiveness lasts up to three months under normal conditions. Five Year warranty on units. 320 CADR. Black and Silver. . The "3MTM Air Cleaner with FiltreteTM Filter, for Rooms up to 16'x20', 320 CADR, 23.5 InchWx9.5 InchDx18.5 InchH, Black per Silver" is best product for you. We recommended 3MTM Air Cleaner with FiltreteTM Filter, for Rooms up to 16'x20', 320 CADR, 23.5 InchWx9.5 InchDx18.5 InchH, Black per Silver