... 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 ... .service period It is widely accepted in cleaning enterprises. DC Fan Impeller: from 180mm to 400mm; Air ... Locked-rotor protection. Air Coditioning Fan This series fan is widely used in central air conditioning units, special ...