Delta Breez highest performing. most quiet exhaust bath fan solution. The Delta Breez Signature SIG8-110. 80/110 CFM exhaust bath fan with the benefits of DC Brushless motor technology. Features virtually silent at less than 0.3 sones. energy efficient. Air flow at 80 or 110 CFM for spaces up to 110 Sq. ft. virtually silent operation at 0.3 Sones. Features DC brushless fan motor for extended reliability. HVI certified. UL listed for ceiling mount. FeaturesCeiling Bathroom Exhaust Fan with Adjustable High SpeedAdjustable high speed 80 or 110 fan for spaces up to 110 sq. ft.Brushless DC Motor outlasts typical AC motors by 2-1/2xVirtually silent at Includes:Grille x1. Fan x1. Housing x1. Duct Connector (6″ to 4″) x1. Suspension Bracket x4. Long Wood Screw x8. Short screw x4SpecificationsColor: Off WhiteAir Volume: 80-110 CFMSound Level: 0.3 SonesFinish: MetallicFan Mounting Location: CeilingLighting Included: NoEnergy Star Qualified: YesUL Listed: YesDuct Diameter: 6″Night Light: NoVoltage Rating: 120VHousing Size: 9.63″ x 9.63″ x 7-7/8″Warranty: 3 Year Limited WarrantyFan Box Dimension: 7.87″ H x 9.62″ L x 9.62″ WWeight: 10.1 lbs