IN-LINE DUCT BLOWER, WHEEL TYPE BACKWARD-INCLINED, DRIVE TYPE BELT DRIVE, INCLUDES DRIVE PACKAGE YES, ASSEMBLY UNASSEMBLED, WHEEL DIAMETER 11 IN, AIRFLOW @ 0.000 IN SP 1,610 CFM, AIRFLOW @ 0.125 IN SP 1,580 CFM, AIRFLOW @ 0.250 IN SP 1,550 CFM, AIRFLOW @ 0.375 IN SP 1,521 CFM, AIRFLOW @ 0.500 IN SP 1,489 CFM, AIRFLOW @ 0.750 IN SP 1,421 CFM, AIRFLOW @ 1.000 IN SP 1,349 CFM, AIRFLOW @ 1.250 IN SP 1,272 CFM, AIRFLOW @ 1.500 IN SP 1,188 CFM, AIRFLOW