Axial Downblast Roof Exhaust Fan Mounting Location Roof Assembly Unassembled Blade Diameter 24 in Housing Material Aluminum Exhaust Airflow @ 0.000 in SP 4 834 cfm For High-Static Pressure Applications No High-Efficiency Motor No Maximum Static Pressure 5/8 in wc Motor Enclosure Open Dripproof Motor Horsepower 3/4 hp Nameplate Voltage 115/208-230V AC Number of Speeds 1 Phase 1 Maximum Inlet Air Temperature 120 Degrees F Number of Blades 5 Supply Airflow @ 0.000 in SP 4 834 cfm