Broan 12C Motordor Through Wall Utility Fan, 10-Inch 360 CFM, White Plastic Grill Industry exclusive 360 CFM 8.0 Sones Housing features foam-insulated door for energy efficiency Separate motor opens door when fan is turned on, closes door when unit is turned off Housing adjusts to fit walls from 5-1/2-Inch to 9-7/8-Inch thick Eliminates humidity from laundry rooms, tobacco smoke from rec rooms and more Housing features foam-insulated door for energy efficiency Housing adjusts to fit walls from 5-1/2-inch to 9-7/8-inch thick Housing Dimensions: 14-1/2-inch by 14-1/2-inch by 5-1/2 -9-7/8-inch Covered by a 1-year manufacturer's warranty