High Pressure Blower Wheel Type Radial Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 12 1/2 in Airflow @ 1.000 in SP 887 cfm Airflow @ 2.000 in SP 836 cfm Airflow @ 3.000 in SP 784 cfm Airflow @ 4.000 in SP 728 cfm Airflow @ 5.000 in SP 693 cfm Airflow @ 6.000 in SP 626 cfm Airflow @ 7.000 in SP 540 cfm Airflow @ 8.000 in SP 468 cfm Airflow @ 9.000 in SP Not Applicable Airflow @ 10.00 in SP Not Applicable Airflow @ 11.00 in SP Not Applicable