Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 24 7/8 in Minimum Airflow 9 730 cfm Maximum Airflow 30 500 cfm Maximum Static Pressure 2 in wc Maximum Inlet Air Temperature 150 Degrees F Shaft Diameter 1 3/8 in Bearing Type Pillow Block Ball Sound Level Not Rated Wheel Material Steel Housing Material Steel Wheel Width 25 in Number of Inlets 2 Inlet Diameter 21 in Outlet Shape Rectangular