Rainproof cowl hat fan,Dia.300mm~1120mm. Volume:3300~53000m3/h, Pressure:62Pa~350Pa, Power:0.37kw~5.5kw, Voltage:380V/440V contentrainproof hat fan,axial fan:Dia.300mm~1120mm.Volume:3300~53000m3/h,Pressure:62Pa~350Pa,Power:0.37kw~5.5kw,Voltage:380V/440V/OtherCentrifugal Fan ordinary roof WT4-85-11 series uses and conditions of use: 1. Factory enterprise: factory premises, warehouses, livestock ...