In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 11 1/2 in Minimum Airflow 772 cfm Maximum Airflow 2 103 cfm Maximum Static Pressure 2 in wc Maximum Inlet Air Temperature 160 Degrees F Shaft Diameter 3/4 in Bearing Type Sealed Pillow Block Wheel Material Aluminum Housing Material Steel Inlet Diameter 7 3/4 in Outlet Diameter 7 3/4 in Outlet Duct Connection Height 13 3/4 in