Broan Model 506 10-Inch Chain Operated Utility Fan, 470 CFM, 8.0 Sones

Broan Model 506 10-Inch Chain Operated Utility Fan, 470 CFM, 8.0 Sones 470 CFM 8.0 Sones Housing adjusts to fit walls from 4-1/2 inches to 9-1/2 inches thick Pull-chain opens door and turns on fan - no wall switch to wire Specially designed polymeric fan blade Housing features foam-insulated door for energy efficiency <<< Check Price & Full Review. >>>