The LakeAir Excel 230 Air Purifier is a desktop portable electronic Air Purifier designed for home and office use. It will clean a 15 x 15 feet room up to four times per hour. It is available in an attractive brown, black or white colors. Using our powerful electronic filtering system, the air you breathe will be cleaner and healthier. The washable and reusable electronic filter cell removes up to 97 percent of particulate as small as 0.01 microns which includes allergy triggers such as pollens and animal dander. The LakeAir Excel 230 Air Purifier will also quietly remove cigarette and cooking smoke, dust, bacteria and many viruses.