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 757 cfm Airflow @ 2.000 in SP 695 cfm Airflow @ 3.000 in SP 629 cfm Airflow @ 4.000 in SP 579 cfm Airflow @ 5.000 in SP 521 cfm Airflow @ 6.000 in SP 442 cfm Airflow @ 7.000 in SP 386 cfm Airflow @ 8.000 in SP Not Applicable Airflow @ 9.000 in SP Not Applicable Airflow @ 10.00 in SP Not Applicable