Broan 634 Spring-Loaded Back Draft Damper Roof Cap Roof Cap in Black – For 3-1/4″ x 10″ duct or 8″ round duct.

Description

Maximize the air and sound performance of your Broan ventilation fan or range hood using one of our wide variety of ducting accessories.

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• Footprint is 18-3/4″ long x 14-1/4″ wide for a well-balanced fit
• Designed to fit with 3-1/4″ x 10″ or up to 8″ round duct for flexible installation
• A built-in, backdraft damper and bird screen provide a dependable roof cap you can count on
• Roof cap is made of 24 gauge CRCQ steel construction with a black electrically-bonded epoxy finish for durability and long life
• For use with Range Hoods, LoSone Fans and Bath Ventilation Fans

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