Downblast Exhauster Drive Type Direct Drive Assembly Assembled Wheel Diameter 10 1/2 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 1/3 hp Exhaust Airflow @ 0.000 in SP 1 100 cfm For High-Static Pressure Applications Yes High-Efficiency Motor Yes For Air Type Clean Air Includes Drive Package Yes Includes Motor Yes Mounting Location Roof and Wall Maximum Static Pressure 1 in wc