This unique and top of the line air purifier is equipped with advanced sensor technology which automatically monitors air quality. The built-in sensors detect the presence of dust, allergens, and odours. When detected a LED light indicates the amount of pollution detected. The PM 380 offers 7 leading technologies covering virtually every pollutant Ionizer (with relatively no ozone), HEPA filter, Activated carbon filter, Photocatalytic oxidation filter, Germicidal UV lamp, Dust collection grid and Washable pre-filter. With a powerful, quiet fan the purifier covers 650 ft².(60m2)