Evaporative Air Cooler: Model: AZL30-ZX31B(three-phase,1-speed) AZL30-ZX32B(three-phase,2-speed) Wind Volume at 0 pa:30000m3/h; Wind Pressure(Pa):366 Power(kw):3.0 & 3.0/1.0; Rated Currency(A):6.82 & 7.1/3.5 Voltage(V): 380 50/60HZ Noise(DBA):≤78 Fan Type: Axial Dimension of unit(mm): 1265*1265*1422 Net Weight(Kg):125 down discharge Auto Cleaning Water Lack Protection