... fan,exhaust fan,ventilator. Industrial/Home.Size:6'',8'',10'',12''etc.V:220V 50HZW:25W,30W,43W,45WAD:3-7m3/minCurrent ... to get more details.Thankyou very much! Rated Volt./AC V/HzPower/WAir Delivery/m3 /minNoise/dB(A)QTY./PCSMeasurements/cm1PC ...