Centrifugal Downblast Roof Exhaust Fan Drive Type Belt Drive Assembly Unassembled Wheel Diameter 50 in Base Diameter Not Applicable Base Length 64 in Base Width 64 in Base Shape Square Nameplate Voltage 208-230/460V AC Phase 3 Motor Horsepower 5 hp Exhaust Airflow @ 0.000 in SP 29 494 cfm For High-Static Pressure Applications No High-Efficiency Motor No For Air Type Clean Air Includes Drive Package Yes Includes Motor Yes Mounting Location Roof Maximum Static Pressure 7/8 in wc