Centrifugal Roof Supply Fan Includes Drive Package Yes Includes Motor Yes Mounting Location Roof Wheel Diameter 20 1/2 in Base Diameter Not Applicable Base Length 46 in Base Shape Square Base Width 46 in Nameplate Voltage 208-230/460V AC Phase 3 Motor Horsepower 7 1/2 hp Maximum Static Pressure 1 3/4 in wc Supply Airflow @ 0.000 in SP 13 609 cfm Number of Filters 2 Filter Housing Depth 36 in Filter Housing Height 43 3/4 in Filter Housing Width 41 1/8 in Number of Speeds 1