In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Direct Drive Includes Drive Package Yes Assembly Assembled Wheel Diameter 14 1/2 in Airflow @ 0.000 in SP 2 950 cfm Airflow @ 0.125 in SP 2 870 cfm Airflow @ 0.250 in SP 2 790 cfm Airflow @ 0.375 in SP 2 703 cfm Airflow @ 0.500 in SP 2 614 cfm Airflow @ 0.750 in SP 2 429 cfm Airflow @ 1.000 in SP 2 188 cfm Airflow @ 1.250 in SP 1 809 cfm Maximum Static Pressure 1 1/4 in wc For High-Static Pressure Applications No