Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 8 in Minimum Airflow 700 cfm Maximum Airflow 1 400 cfm Maximum Static Pressure 2 1/2 in wc Maximum Inlet Air Temperature 140 Degrees F Shaft Diameter 3/4 in Bearing Type Ball Wheel Material Steel Housing Material Steel Number of Inlets 2 Inlet Diameter 6 5/8 in Outlet Duct Connection Height 8 1/4 in Outlet Duct Connection Width 9 1/8 in