Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 30 in Minimum Airflow 6 869 cfm Maximum Airflow 16 321 cfm Maximum Static Pressure 5 in wc Maximum Inlet Air Temperature 250 Degrees F Shaft Diameter 1 5/8 in Bearing Type Pillow Block Ball Wheel Material Steel Housing Material Steel Wheel Width 10 3/4 in Number of Inlets 1 Inlet Diameter 32 1/4 in Outlet Shape Rectangular Outlet Height 32 1/4 in