HomeThis unit uses bipolar ionization as well as HEPA filter to clean the air in a room up to 200 sq. ft.Bipolar ionization wall mounted unit$199.00PriceQuantity*Add to CartRoom Size100-200 sq. ft Filter TypesPre-filter, HEPA, Activated carbon, Cold catalyst UV-CYes Negative Ions6 million / cubic cm Remote ControlYes WiFi / AppNo CFM Air Flow240 Sterilization Rate95%