Broan-NuTone 12C Motordor® 10" Through Wall Fan Since their beginning in 1932, Broan has pioneered many of the product innovations now established as standards of the industry. Today, Broan carries on the commitment to provide the finest produc ts in the industry. Eliminate humidity from laundry rooms, tobacco smoke from rec rooms and workshops, or cooking fumes from kitchens with Broan`s high-efficiency utility ventilators. Broan-NuTone 12C Motordor® 10" Through Wall Fan Features: & #149; Utility Fans, Wall • 360 CFM, 8" Fan, 8.0 Sones, 13-1/2" square plastic grille • Industry Exclusive • 360 CFM 8.0 Sones • Housing features foam-insulated door for energy efficiency • Separate motor opens door when fan i s turned on, closes door when unit is turned off • Housing adjusts to fit walls from 5-1/2" to 9-7/8" thick