Broan 508 270 CFM 6 Sone Wall Mounted HVI Certified Utility Fan
Features: Features a powerful 270 CFM permanently lubricated and sealed motor that's specifically designed for continuous use applications. Energy efficient foam-insulated housing adjusts to fit walls that are 4-1/2" to 9-1/2" thick. Compatible with a number of Broan multi-function and time control wall switches (sold separately). Not recommended for use over bathtubs and showers.Specifications: CFM: 270 Sones: 6 Duct Size: 10 Inch Round Grill Width: 13.5 Inches Grill Length: 13.5 Inches Housing Diameter: 10.375 Inches HVI Certified: Yes UL Listed: NoProduct Variations: 508 (This Model): 270 CFM, Wall-Switch Controlled 509: 180 CFM, Wall-Switch Controlled 509S: 180 CFM, Built-In Rotary Switch