DLZ1009 Features: * Exhaust fan * Galvanized steel housing * Attractive grille * Low sone * Easy to install * Low energy consumption * Energy Star certified * Compact size: 7.25"" x 7.5"" Construction: * DC brushless motor engineered to run continuously for 70,000 hours Dimensions: * 3"" Duct * Overall dimensions: 3.937"" H x 7.5"" W x 7.25"" D Warranty: * Manufacturer provides three year warranty