639 Broan-NuTone® Steel Wall Cap, 3-1/4-Inch x 10-Inch Duct, Black 639
- For 3 1/4" x 10" duct.
- Spring-loaded backdraft damper.
- Built-in bird screen.
- Steel black baked acrylic finish.
- 24 GA CRCQ Steel, black electrically-bonded epoxy finish
Select the Broan-NuTone® 639 Wall Cap to provide reliable wall ventilation. Features a black enamel finish and is designed for use with 3-1/4" x 10" duct. Includes a built-in back-draft damper, and protective bird screen to prevent small pests from entering duct.