Zephyr Zephyr 3-1/4 Inch x 10 Inch Rain Proof Rectangular Wall Exhaust Cap with Built In Damper and Mesh Bird Screen

Features:This wall-mounted exhaust cap completes any new or upgraded ventilation system project.A built-in aluminum damper prevents outside air from entering the system.Includes a rain-proof wall cap.Mesh bird screen helps keep unwanted creatures out.Specifications:Duct Size: 3-1/4" x 10"Depth: 9-1/2"Height: 5-5/8"Width: 11"Material: Galvanized Steel