Upgrade your range hood with Broan-NuTone's Roof Cap! This roof cap is constructed of durable 24-gauge CRCQ steel with a black electrically-bonded epoxy finish to serve as a functional and decorative addition to your home. This roof cap maximizes the air and sound performance of your Broan-NuTone ventilation fan or range hood. It's designed to fit with 3.25" x 10" or up to 8" round duct for flexible installation. It includes a built-in, backdraft damper and bird screen provide a dependable roof cap you can rely on. The footprint measures 18.75" x 14.25" for a well-balanced fit. This roof cap is for use with range hoods, LoSone fans, and bathroom ventilation fans. Upgrade your home with Broan-NuTone's Roof Cap today!