In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 18 in Airflow @ 0.125 in SP 2 852 cfm Airflow @ 0.250 in SP 2 755 cfm Airflow @ 0.375 in SP 2 648 cfm Airflow @ 0.500 in SP 2 527 cfm Airflow @ 0.750 in SP 2 236 cfm Airflow @ 1.000 in SP 1 799 cfm For High-Static Pressure Applications Yes Maximum Inlet Air Temperature 160 Degrees F Shaft Diameter 1 in Bearing Type Regreasable Pillow Block