In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 13 1/2 in Airflow @ 0.125 in SP 1 171 cfm Airflow @ 0.250 in SP 1 123 cfm Airflow @ 0.375 in SP 1 075 cfm Airflow @ 0.500 in SP 1 019 cfm Airflow @ 0.750 in SP 889 cfm Airflow @ 1.000 in SP 680 cfm For High-Static Pressure Applications Yes Maximum Inlet Air Temperature 160 Degrees F Shaft Diameter 3/4 in Bearing Type Sealed Pillow Block