Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 13 1/2 in Minimum Airflow 1 585 cfm Maximum Airflow 4 860 cfm Maximum Static Pressure 2 1/2 in wc Maximum Inlet Air Temperature 250 Degrees F Shaft Diameter 1 in Bearing Type Pillow Block Ball Wheel Material Steel Housing Material Steel Number of Inlets 1 Inlet Diameter 14 1/2 in Outlet Shape Rectangular Outlet Height 14 5/8 in Outlet Width 10 3/4 in