ES80S Speed / CFM: 1 / 80 Features: -Exhaust bath fan.-Available in 80 CFM or 130 CFM.-Available in 1 or 2 speed.-Four adjustable hanging brackets.-Low profile grill that almost disappears into ceiling.-Centrifugal blower provides increased performance and quieter operation.-Spring loaded damper protects against back draft.-Listed for use over tub/shower when installed on GFCI circuit.-AKEDT1 control to turn off.-Ultra quiet 0.3 Sones.-6" Round duct.-Energy star.-ASHRAE 62.2 compliant.-HVI certified. Includes: -Includes three main components source control, local exhaust and whole house ventilation. Construction: -Damper construction: Metal. Dimensions: -Overall dimensions: 9.875" H x 12.875" W x 12.75" D. Warranty: -Manufacturer provides one year parts warranty.