Axial Downblast Roof Supply/Exhaust Fan Mounting Location Roof Assembly Unassembled Blade Diameter 30 in Housing Material Steel Exhaust Airflow @ 0.000 in SP 7 871 cfm For High-Static Pressure Applications No High-Efficiency Motor No Maximum Static Pressure 1/4 in wc Motor Enclosure Open Dripproof Motor Horsepower 3/4 hp Nameplate Voltage 208/230/460V AC Number of Speeds 1 Phase 3 Maximum Inlet Air Temperature 104 Degrees F Number of Blades 6