High Pressure Blower Wheel Type Radial Drive Type Direct Drive Includes Drive Package Yes Assembly Assembled Wheel Diameter 12 1/2 in Airflow @ 0.250 in SP 1 185 cfm Airflow @ 0.500 in SP 1 171 cfm Airflow @ 1.000 in SP 1 145 cfm Airflow @ 1.500 in SP 1 117 cfm Airflow @ 2.000 in SP 1 090 cfm Airflow @ 3.000 in SP 1 033 cfm Airflow @ 4.000 in SP 974 cfm Airflow @ 5.000 in SP 911 cfm Airflow @ 6.000 in SP 842 cfm Airflow @ 7.000 in SP 765 cfm Airflow @ 8.000 in SP 672 cfm