Maximize the air and sound performance of your Broan ventilation fan or range hood using one of our wide varieties of ducting accessories. The 643 Aluminum 8 in. Round Wall Cap has a backdraft damper. It is manufactured for long lasting use. Included is a built-in backdraft damper.
- High capacity wall cap designed for use with 8 in. round exterior ducting
- Steel construction with a natural aluminum finish for added durability and resilience
- Includes built-in backdraft damper for increased protection and 3-3/8 in. long attachment collar
- Designed for easy installation