Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 15 in Minimum Airflow 2 064 cfm Maximum Airflow 4 969 cfm Maximum Static Pressure 5 in wc Maximum Inlet Air Temperature 250 Degrees F Shaft Diameter 1 in Bearing Type Pillow Block Ball Wheel Material Steel Housing Material Steel Wheel Width 7 5/8 in Number of Inlets 1 Inlet Diameter 16 1/8 in Outlet Shape Rectangular Outlet Height 16 1/4 in