In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 11 in Airflow @ 0.000 in SP 756 cfm Airflow @ 0.125 in SP 720 cfm Airflow @ 0.250 in SP 687 cfm Airflow @ 0.375 in SP 650 cfm Airflow @ 0.500 in SP 613 cfm Airflow @ 0.750 in SP 524 cfm Airflow @ 1.000 in SP 424 cfm Maximum Static Pressure 1 in wc Maximum Inlet Air Temperature 160 Degrees F Shaft Diameter 3/4 in Bearing Type Sealed Pillow Block