Zhenghong-prep station Basement300mm galvanized steel basement, full grids, round steel then galvanized. 2 ramps outside, 2000×750mm(L×W),Generator SettingExhaust air from rear side; galvanized steel molding frame, white coated steel coverIntake and Exhaust System5.5KW double intake centrifugal fan, air capacity:15500 M3/hFiltering SystemExhaust glass fiberfilterControl SystemFan operation switch,emergency stopTotal Power5.5KW