“Haier” specially-devised electrical motor with remarkable performance.The aluminium punching blade, large air volume and low noise.Corrosion resistant ,long service life.Type Aircolume Power Voltage Length(mm)XLH-3 2160 m3/h 45W 220V 400XLH-4 2880 m3/h 150W 220V 400XLH-5 5700 m3/h 350W 380V 400/p>