In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 36 in Minimum Airflow 7 892 cfm Maximum Airflow 21 196 cfm Maximum Static Pressure 1 3/4 in wc Maximum Inlet Air Temperature 160 Degrees F Shaft Diameter 1 1/2 in Bearing Type Regreaseable Pillow Block Wheel Material Aluminum Housing Material Steel Inlet Diameter 24 1/2 in Outlet Diameter 24 1/2 in Outlet Duct Connection Height 47 3/4 in