In-Line Duct Blower Wheel Type Backward-Inclined Includes Drive Package Yes Assembly Unassembled Wheel Diameter 36 in Airflow @ 0.000 in SP 12 397 cfm Airflow @ 0.125 in SP 11 720 cfm Airflow @ 0.250 in SP 10 872 cfm Airflow @ 0.375 in SP 10 041 cfm Airflow @ 0.500 in SP 8 980 cfm Maximum Inlet Air Temperature 160 Degrees F Shaft Diameter 1 1/4 in Bearing Type Regreasable Pillow Block