HVAC air purifier,duct air purifier,central AC air purifier,building air purifier.uv lamp,photo-catalyst,ESP,filter combined. HVAC air purifier,duct air purifier,central AC air purifier,building air purifier.uv lamp,photo-catalyst ... ,ESP,filter combined. Product Features:•220V/110V 50Hz/60Hz•Power: 60-675W•Puriying wind rate: 1500 ...