Centrifugal Downblast Roof Exhaust Fan Drive Type Belt Drive Assembly Unassembled Wheel Diameter 30 1/2 in Base Diameter Not Applicable Base Length 42 in Base Width 42 in Base Shape Square Nameplate Voltage 115/230V AC Phase 1 Motor Horsepower 3/4 hp Exhaust Airflow @ 0.000 in SP 7 694 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 1/2 in wc