Warm up your home or commercial office quickly and efficiently with the NuTone 9417DN Single Bulb Heater with Exhaust Fan. This powerful infrared heater provides silent, radiant warmth using 250W R40 or BR40 heat lamps, and works in combination with a powerful exhaust fan that operates at a quiet 3.5 Sones, while maximizing the CFM to 70. Use the adjustable mounting brackets to install the heating lamp and combination fan, using a 4-inch duct. Finished in neutral white, the engineered grille can be painted to suit any decor. Dimensions:Housing: 8.125L x 8.375W x 6H inches Grille: 10.25L x 10.25W inches About Broan-NuTone Broan-NuTone has been leading the industry since 1932 in producing innovative ventilation products and built-in convenience products, all backed by superior customer service. Today, they're headquartered in Hartford, Wisconsin, employing more than 3200 people in eight countries. They've become North America's largest producer of medicine cabinets, ironing centers, door chimes, and they're the industry leader for range hoods, bath and ventilation fans, and heater/fan/light combination units. They are proud that more than 80 percent of their products sold in the United States are designed and manufactured in the U.S., with U.S. and imported parts. Broan-NuTone is dedicated to providing revolutionary products to improve the indoor environment of your home, in ways that also help preserve the outdoor environment. 70 CFM at a quiet 3.5 Sones. Fits a 4-inch duct. Use in any room of the home or office. Combination heater and exhaust fan. 250W heat from R40 or BR40 bulb.