High Pressure Blower Wheel Type Radial Drive Type Direct Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 7 3/4 in Airflow @ 1.000 in SP 252 cfm Airflow @ 2.000 in SP 210 cfm Airflow @ 3.000 in SP 157 cfm Airflow @ 3.500 in SP Not Applicable Airflow @ 4.000 in SP Not Applicable Airflow @ 4.500 in SP Not Applicable Airflow @ 5.000 in SP Not Applicable Airflow @ 6.000 in SP Not Applicable Airflow @ 7.000 in SP Not Applicable Airflow @ 8.000 in SP Not Applicable