Axial Downblast Roof Supply Fan Mounting Location Roof Assembly Assembled Blade Diameter 18 in Housing Material Aluminum Exhaust Airflow @ 0.000 in SP 4 247 cfm For High-Static Pressure Applications No High-Efficiency Motor No Maximum Static Pressure 1 in wc Motor Enclosure Totally Enclosed Air Over Motor Horsepower 1 hp Nameplate Voltage 208/230/460V AC Number of Speeds 1 Phase 3 Maximum Inlet Air Temperature 120 Degrees F Number of Blades 4