Axial Downblast Roof Supply/Exhaust Fan Mounting Location Roof Assembly Unassembled Blade Diameter 36 in Housing Material Steel Exhaust Airflow @ 0.000 in SP 13 490 cfm For High-Static Pressure Applications No High-Efficiency Motor No Maximum Static Pressure 1/2 in wc Motor Enclosure Totally Enclosed Fan Cooled Motor Horsepower 2 hp Nameplate Voltage 115/230V AC Number of Speeds 1 Phase 1 Maximum Inlet Air Temperature 104 Degrees F Number of Blades 6