We are professional manufacture in ventilation fan,exhaust fan,ventilator. Industrial/Home.Current:AC/DC We are professional manufacture in ventilation fan,exhaust fan,ventilator. Industrial/Home.Size:6'',8'',10'',12''etc.V:220V 50HZW:25W,30W,43W,45WAD:3-7m3/minCurrent:AC/DC.Material:iron or plastic.all colour as you choice.High quality with competitive prices.Qickly delivery time.Welcome to ...