3.25 in. x 10 in. Aluminum Wall Cap

Lambro’s range vent hood Aluminum Wall Cap allows for maximum exhaust airflow when venting. The built-in spring-controlled damper prevents back drafts while utilizing a foam seal. The minimum size of duct allowed on most range hoods is 3.25 in. x 10 in. which is equivalent to a 6 in. round, it is designed for use with rigid ductwork.”,”highlights”:[“Louvered wall cap for range hood ducting, prevents back drafts”,”Matches minimum duct size on most range hoods”,”For use with rigid ductwork”