Centrifugal Downblast Roof Exhaust Fan Drive Type Belt Drive Assembly Assembled Wheel Diameter 11 in Base Diameter Not Applicable Base Length 19 in Base Width 19 in Base Shape Square Nameplate Voltage 115/208-230V AC Phase 1 Motor Horsepower 1/4 hp Exhaust Airflow @ 0.000 in SP 1 296 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 in wc