Centrifugal Roof Supply Fan Includes Drive Package Yes Includes Motor Yes Mounting Location Roof Wheel Diameter 15 1/2 in Base Diameter Not Applicable Base Length 34 1/2 in Base Shape Square Base Width 34 1/2 in Nameplate Voltage 230/460V AC Phase 3 Motor Horsepower 1 hp Maximum Static Pressure 3/4 in wc Supply Airflow @ 0.000 in SP 4 317 cfm Number of Filters 2 Filter Housing Depth 29 1/4 in Filter Housing Height 27 1/2 in Filter Housing Width 28 1/8 in Number of Speeds 1