Centrifugal Fan Evaporative Air Cooler Detailed Product Description:Wind Volume (m3/h):18000 m3/h; Wind Pressure(Pa):163 Power(kw):1.50; Voltage(V): 220 50/60Hz Rated Currency(A):8.4; Noise(DBA):≤70 Fan Type: Centrifugal Net Weight(Kg):93 Operation Weight(Kg): 144 Wind Speed: Single-phase & Various Speed Auto Cleaning Water Lack Protection