50 CFM BATHROOM EXHAUST FAN: 50 CFM is sufficient ventilation to remove, moisture, odor and pollutants from your smaller powder room or bathroom up to 45 sq. ft. EFFICIENT BATHROOM EXHAUST FAN: Energy Star Certified, operates at 2.0 Sones for peaceful and effective ventilation. EASY INSTALLATION: Compact housing with foldable mounting brackets for NO CUT and versatile installation with no attic access needed. Housing Dimensions 7-1/4 " x 7-1/2" x 3-5/8". Cover dimensions. 8-5/8"x8-3/8". 3 " diameter duct. UPDATED MODERN GRILLE: Brighter white grilles blend in to match most common ceiling paint. Broan 688. This fan features foldable mounting ears and easy to remove grill cover with springs. BROAN NUTONE: This new innovative product from Broan NuTone, the leaders in indoor air quality, is proudly MADE IN THE USA at our Hartford, WI headquarters