... /220V and 50/60Hz.(For some specific fans with YB series motor, its power cant be 220V).Centrifugal fan,Volume:110~2250m3/h ... against swing, vibration and impact.Centrifugal fan,Ventilation fan,Centrifugal ventilator,Ventilating fan,Exhaust fan,Air blower,Centrifugal blower,Wind blower,Marine fan,Marine blower,Marine ventilation,Marine ...