Detailed Product Description AC centrifugal fan,Centrifugal fan,Exhaust fan,Duct fan,Ventilation fan,Draught fan,Exhaust blower,Draft fan,small fan:DC fan:Capacity:290m3/h~1875m3/hPressure:350Pa~830Pa ... ranges from 580to 22000CMH.Compressor Fan -Impeller diameter: 400mm,450mm,500mm,560mm,630mm,710mm,800mm.-Matching motor power:< 4kw -Voltage: 220V/400V ...