High Pressure Blower Wheel Type Radial Drive Type Direct Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 12 1/2 in Airflow @ 1.000 in SP 1 127 cfm Airflow @ 2.000 in SP 1 071 cfm Airflow @ 3.000 in SP 1 014 cfm Airflow @ 4.000 in SP 953 cfm Airflow @ 5.000 in SP 888 cfm Airflow @ 6.000 in SP 817 cfm Airflow @ 7.000 in SP 736 cfm Airflow @ 8.000 in SP 638 cfm Airflow @ 9.000 in SP Not Applicable Airflow @ 10.00 in SP Not Applicable