What sizes of ductwork does this fit?

This roof cap fits rectangular ducts measuring 3-1/4 inches by 10 inches and round ducts up to 8 inches in diameter, making it versatile for various ventilation systems.

What is the finish and material of the cap?

It features a durable black steel construction with a black enamel finish, providing corrosion resistance and a sleek appearance suitable for outdoor rooftop installation.

Does it have any features to prevent backdrafts or pests?

Yes, the cap includes a built-in back-draft damper that prevents unwanted airflow reversal and a protective bird screen to stop small animals and pests from entering the ductwork.

What are the physical dimensions and weight of the unit?

The unit weighs approximately 10 pounds and is packaged in a box measuring 37 inches in depth, 37 inches in width, and 15 inches in height, facilitating easy handling and installation.

Is this product suitable for rooftop ventilation applications?

Absolutely, it is specifically designed to provide reliable rooftop ventilation, enhancing the performance and durability of your ventilation system.

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Broan-NuTone Black Steel Roof Cap, 3-1/4" x 10" Or Up To 8-Inch Round Duct - 634

Abt Model: 634 UPC: 026715002658

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For Use With 3-1/4" X 10" Or Up To 8" Round Duct
Black Steel Finish

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Broan-NuTone Black Steel Roof Cap, 3-1/4" x 10" Or Up To 8-Inch Round Duct - 634

Sorry, this item is no longer available

Broan-NuTone 634 Black Steel Roof Cap, 3-1/4" x 10" Or Up To 8-Inch Round Duct

Select the Broan-NuTone® 634 Roof Cap to provide reliable rooftop ventilation. Features a black enamel finish and is designed for use with 3-1/4" x 10" or up to 8" round duct. Includes a built-in back-draft damper, and protective bird screen to prevent small pests from entering duct.