Air King Air King 3.25 Inch x 10 Inch Galvanized Wall Cap with Back Draft Dampener

This Air King wall cap is designed to be the place of termination for vented gases and comes with a built-in back draft damper. This prevents outside ambient air from rushing through your ventilation system, keeping your home's temperature consistent while also allowing for proper out flow when needed.Features:Constructed from Galvanized SteelProudly Made in AmericaDesign Incorporates a Back Draft DamperTermination Cap Fits 3.25" x 10" Ducting