... *H)mmInput power kwMaterialsHammer style9FJ-900B1000*1000*4000.55 shutter, frame, wind set, fan blade are galvanized9FJ-1000B1100*1100* ... 1400B1535*1535*4001.5Hammer style9FJ-900B1000*1000*4000.55shutter, frame, wind set aregalvanized, blade is stainlesssteel 9FJ-1000B1100*1100 ... *1535*4001.5Push/pull style9FJ-900B1000*1000*4000.55shutter, frame, wind set , fan blade aregalvanized9FJ-1000B1100*1100*4000 ...