This Broan Steel Black Wall Cap for Broan 6 in. Round Ducts vents an exhaust fan or range hood with a 6 in. duct to the outdoors. Using its back draft damper helps it to prevent undesirable air backflow. The protective bird screen helps to prevent small pests from entering the duct.

　　- Compatible with Broan 6 in. round ducts; not for use in dryer venting applications

　　- Durable steel construction with an electrically-bonded epoxy finish for longevity

　　- Spring-loaded back draft damper and bird screen help prevent undesirable air backflow and animal intrusion

　　- Designed to vent a range hood to the outdoors to improve air circulation