Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 16 1/4 in Minimum Airflow 1 880 cfm Maximum Airflow 6 195 cfm Maximum Static Pressure 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 17 7/8 in Outlet Shape Rectangular Outlet Height 17 3/4 in Outlet Width 13 in