Broan 688 Ceiling and Wall Mount Fan 50 CFM 4.0 Sones. Torsion Spring Grille Mounting - No Tools Necessary. Compact Housing Fits Easily Between Ceiling Joists or Wall Studs. Covered By U.S. and Foreign Patents. Single Packs and Project Paks. Metal Grille Kits (Available Separately) Bath Fan Upgrade Kit 120 V 0.9 Amp 7-1/4" X 7-1/2" X 3-5/8" High Galvanized Steel Housing Grille Dimension: 9-1/4" X 9" Fits 2" X 8" Construction Snap in Motor Plate Requires no Tools for Installation or Removal Duct Size: 3" Diameter Fits 2" X 4" Ceiling or Wall Construction

• Ceiling and wall mount ventilation fan
• White polymeric torsion spring grille mounting
• Compact housing fits easily between ceiling joists or wall studs

Ceiling and wall mount ventilation fanStandardPlumbing: Kohler