Fresh Air Inlet Aluminum Wall Cap for 6 in. Round Duct for Range Hoods and Bathroom Exhaust Fans in Aluminum

Improve your ventilation system by installing this Model 641FA Broan 6 in. Round Duct Aluminum Fresh Air Inlet Wall Cap. It acts as an air inlet and helps minimize airflow loss for effective venting. Included is a built-in bird screen to help keep small animals from entering.”,”highlights”:[“Designed for use with make-up air inlet applications”,”Included is a built-in bird screen to help keep wildlife out”,”Compatible with Broan 6 in. round ducts”