In-Line Duct Blower Wheel Type Backward-Inclined Includes Drive Package Yes Assembly Unassembled Wheel Diameter 14 in Airflow @ 0.000 in SP 3 689 cfm Airflow @ 0.125 in SP 3 633 cfm Airflow @ 0.250 in SP 3 576 cfm Airflow @ 0.375 in SP 3 520 cfm Airflow @ 0.500 in SP 3 461 cfm Airflow @ 0.750 in SP 3 330 cfm Airflow @ 1.000 in SP 3 193 cfm Airflow @ 1.250 in SP 3 050 cfm Airflow @ 1.500 in SP 2 894 cfm Airflow @ 2.000 in SP 2 457 cfm Maximum Static Pressure 2 in wc