Centrifugal Downblast Roof Exhaust Fan, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 16 3/4 in, Base Diameter Not Applicable, Base Length 26 in, Base Width 26 in, Base Shape Square, Nameplate Voltage 115V AC, Phase 1, Motor Horsepower 1/4 hp, Exhaust Airflow @ 0.000 in SP 2, 540 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. This item has been restricted from sale in the following state (s): []