Hamilton Beach 04163B TrueAir HEPA Air Purifier with UV Germicidal Light, Black Recommended for closed room up to 350 square feet UV germicidal light helps kill bacteria, viruses, and mold True HEPA filter at least 99.97-percent effective; prefilter also reduces odors Digitally displays air quality; three fan speeds or automatic adjustment 3-year warranty against defects; 19-1/2 by 14 by 8-1/4 inches