Wall Cap Broan 639
This steel wall cap is made for a 3 1/4" x 10" duct. This wall cap has a spring loaded back draft damper. This wall cap comes with a built in bird screen. This wall cap comes with an installation guide for an easy assemble with the product. This wall cap has a steel baked black enamel finish. This wall cap has a 24 GA CRCQ Steel, black electrically bonded epoxy finish.