644 Broan-NuTone® Roof Cap in Natural Aluminum Finish, 3-1/4-Inch x 10-Inch or up to 8-Inch round duct 644
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- For 3 1/4" X 10" or up to 8" round duct.
- Built-in backdraft damper and bird screen.
- Aluminum natural finish.
Maximize the air and sound performance of your Broan® ventilation fan or range hood using one of our wide variety of ducting accessories.