Broan-Nutone 676 Broan Premium Bathroom Fan, 110 CFM, 11-1/8 x 10-5/8 inch white polymeric grille, mounting brackets adjustable up to 24-inch, ceiling mount only, lifetime lubricated plug in motor, installs in 4-inch round duct, UL listed for use over tub/shower enclosures with GFCI protected branch circuit. Housing size: 5-3/4H x 8-1/4W x 8D inches. For bathrooms up to 105-sq. ft.