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 @ 0.750 IN SP 550 CFM, MAXIMUM STATIC PRESSURE 3/4 IN WC, MAXIMUM INLET AIR TEMPERATURE 140 DEGREES F, SHAFT DIAMETER 3/4 IN, BEARING TYPE BALL, SOUND LEVEL 14.8 SONES @ 0.250 IN SP AND 5 FT, 15.1 SONES @ 0