In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 24 in Airflow @ 0.000 in SP 8 952 cfm Airflow @ 0.125 in SP 8 720 cfm Airflow @ 0.250 in SP 8 488 cfm Airflow @ 0.375 in SP 8 231 cfm Airflow @ 0.500 in SP 7 960 cfm Airflow @ 0.750 in SP 7 384 cfm Airflow @ 1.000 in SP 6 756 cfm Airflow @ 1.250 in SP 5 889 cfm Maximum Static Pressure 1 1/4 in wc Maximum Inlet Air Temperature 160 Degrees F