Broan LoProfile 80 CFM 1.0 Sones 120V Bath Exhaust Fan

LoProfile bath fan with polymeric grille. Fits 2 In. x 4 In. ceiling or wall construction. Features a plug-in permanently lubricated motor for continuous operation. 4 In. oval damper with a 3 In. round duct reducer included for flexible installation. 80 CFM (cubic feet per minute) with the 4 In. duct, 70 CFM with the 3 In. duct reducer.