Blower, Wheel Type Forward-Curved, Drive Type Direct Drive, Includes Drive Package Yes, Assembly Unassembled, Wheel Diameter 7 3/4 in, Airflow @ 0.000 in SP 985 cfm, Airflow @ 0.125 in SP 920 cfm, Airflow @ 0.250 in SP 870 cfm, Airflow @ 0.375 in SP...