... Detailed Product Description AC centrifugal fan,Centrifugal fan,Exhaust fan,Duct fan,Ventilation fan,Draught fan,Exhaust blower,Draft fan,small ... fan:Duct fan:Capacity:290m3/h~1875m3/hPressure:350Pa~830Pa,Power:0 ... performance and longer .service period It is widely accepted in cleaning enterprises. DC Fan Impeller: from 180mm to 400mm; Air ...