... fans with YB series motor, its power cant be 220V).Centrifugal ventilator,Volume:110~2250m3/h,Pressure:67~2343Pa,Weight:12~45KG ... wide.3.4. High strength, good anticorrosion.3.5. Strong resistance against swing, vibration and impact.Centrifugal fan,Ventilation fan,Centrifugal ventilator,Ventilating fan ...