' Dryer Booster Duct Fan, Voltage 115VAC, Housing Dia. 9-3/4 In., Housing Height 8-15/16 In., Duct Dia. 4 In., Inlet Dia. 4 In., 60 Hz, Max. Amps .73, 83 Watts, Motor RPM 2800, CFM @ 0.000-In. SP 170, CFM @ 0.200-In. SP 150, CFM @ 0.400-In. SP 134, CFM @ 0.600-In. SP 119, CFM @ 0.800-In. SP 103, CFM @ 1.000-In. SP 86, CFM @ 1.500-In. SP 55, Wheel Type Backward Inclined, Includes Integrated Pressure Switch, LED Indicator Panel, (2) Duct Connections, (4) Fast Clamps, Mounting Bracket '