Broan 676 Ceiling and Wall Mount Fan 110 CFM 4.0 Sones Centrifugal Blower Wheel And 4-Pole Motor Deliver High Exhaust Capacity At Low Sound Levels Designer Styled White Polymeric Grille Complements Virtually Any Decor Torsion Spring Grille Mounting Ð No Tools Necessary Single Packs And Project Paks Metal Grille Kits (Available Separately) Fits 2" X 6" Construction Molded 11-1/8" X 10-5/8" Plastic Grill 8" X 8-1/4" X 5-3/4" High Housing 4" Round Duct