Broan 644 18-3/4" X 14-1/4" Natural Aluminum Finish Roof Cap

Maximize the air and sound performance of your Broan ventilation fan or range hood using one of our wide variety of ducting accessories. 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 in a .025 natural Aluminum finish for durability and long life For use with Range Hoods, LoSone Fans and Bath Ventilation Fans.

BROAN MFG CO INC 644 18-3/4" X 14-1/4" Natural Aluminum Finish Roof Cap Use to maximize the air and sound performance of your Broan ventilation fan or rand hood Designed to fit with 3-1/4" X 10" or up to 8" round duct for flexible installation For use with range hoods, LoSone fans & bath ventilation fans Built-in backdraft damper & bird screen provide a dependable roof cap you can count on Roof cap is made of 24 gauge CRCQ steel construction 0.025 natural aluminum finish for durability & long life 18-3/4" X 14-1/4" foot print for a well-balanced fit Broan