In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 14 in Airflow @ 0.000 in SP 1 948 cfm Airflow @ 0.125 in SP 1 898 cfm Airflow @ 0.250 in SP 1 847 cfm Airflow @ 0.375 in SP 1 794 cfm Airflow @ 0.500 in SP 1 737 cfm Airflow @ 0.750 in SP 1 601 cfm Airflow @ 1.000 in SP 1 449 cfm Airflow @ 1.250 in SP 1 256 cfm Maximum Static Pressure 1 1/4 in wc For High-Static Pressure Applications Yes