Centrifugal Roof Supply Fan Includes Drive Package Yes Includes Motor Yes Mounting Location Roof Wheel Diameter 18 1/2 in Base Diameter Not Applicable Base Length 42 in Base Shape Square Base Width 42 in Nameplate Voltage 208-230/460V AC Phase 3 Motor Horsepower 1 1/2 hp Maximum Static Pressure 3/4 in wc Supply Airflow @ 0.000 in SP 6 671 cfm Number of Filters 2 Filter Housing Depth 32 in Filter Housing Height 30 3/4 in Filter Housing Width 35 1/8 in Number of Speeds 1