4IN VENT 70 CFM BATH FANW/LT

Bath exhaust fan combines high function with practical design to keep air moving and effectively pull out moisture. Comes equipped with a 70-CFM 3.5-sones motor that is permanently lubricated so that it will not get louder over time. Includes 4” duct adaptor with built-in damper to reduce rattle noise and prevent back drafts from entering the room. Includes the attachment for a 250-watt BR40 infrared heat lamp (not included).