In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 11 1/2 in Airflow @ 0.000 in SP 1 324 cfm Airflow @ 0.125 in SP 1 265 cfm Airflow @ 0.250 in SP 1 207 cfm Airflow @ 0.375 in SP 1 149 cfm Airflow @ 0.500 in SP 1 088 cfm Airflow @ 0.750 in SP 917 cfm Maximum Static Pressure 3/4 in wc Maximum Inlet Air Temperature 160 Degrees F Shaft Diameter 3/4 in Bearing Type Sealed Pillow Block