Blower, Wheel Type Forward-Curved, Includes Drive Package Yes, Assembly Unassembled, Wheel Diameter 8 in, Airflow @ 0.125 in SP 1,185 cfm, Airflow @ 0.250 in SP 1,115 cfm, Airflow @ 0.375 in SP 1,040 cfm, Airflow @ 0.500 in SP 965 cfm, Airflow @...