Specification Brand : Quietcool BulletPoint1 : The Quiet Cool Energy Saver Classic Line features our patented, self‐contained duct system that hangs in the attic to help neutralize the sound and noise vibration heard in the home BulletPoint2 : The included damper system features barometric pressurized gravity dampers that insure there will be not heat/cooling loss between the home and attic. BulletPoint3 : All Quiet Cool energy saver classic line fans include our ultra-high efficiency electronically commutated ac/dc brushless motors BulletPoint4 : 3068 cfm BulletPoint5 : Covers up to 1500 square feet Color : White ExternallyAssignedProductIdentifier1 : 811658020971 ExternallyAssignedProductIdentifier2 : 080956959898 ExternallyAssignedProductIdentifier3 : 0080956959898 ExternallyAssignedProductIdentifier4 : 0811658020971 ExternallyAssignedProductIdentifier5 : 00811658020971 IncludedComponents : Fan Unit, Ducting, Damper Box, Ceiling Grille ItemName : Quietcool QC ES-3100 Energy Saver Advanced Whole House Fan - Up to 3081 CFM - Two Speed - Covers up to 1,541 SQFT - 10 Year Warranty - Removable Grille - R5 Insulated Dampers - 20ft Power Cord ItemPackageDimensions_Height : 94.0054 centimeters ItemPackageDimensions_Length : 50.8 centimeters ItemPackageDimensions_Width : 68.6054 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-hvac-fans-and-circulators Manufacturer : QuietCool Material : Ducted ModelNumber : QC ES-3100 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : QC ES-3100 ProductDescription : Radon Install kits come with 2 rubber flex couplings to connect radon fan to PVC pipe, a U-tube manometer to easily see that your radon system is working and a set of system labels to make your system compliant with mitigation standards. White couplings are generally used for outside fan installations because they are UV resistant. ProductSiteLaunchDate : 2014-04-29T07:00:00Z Size : 3,081 CFM StreetDate : 2017-07-13T00:00:01Z Style : ES-3100 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 39120000 Voltage : 120 Wattage : 264