Zephyr Zephyr 8 Inch Round Rain Proof Fresh Air Wall Inlet Cap with Mesh Bird Screen

Features:For use in conjunction with Zephyr's make-up air kit (Model MUA008A).Allows for fresh outside air to be drawn into your homes ventilation system, thereby equalizing static pressure once ventilation has been engaged.Includes a rain-proof wall cap.Mesh bird screen helps keep unwanted creatures out.Specifications:Duct Size: 8"Depth: 10-3/8"Height: 11-1/8"Width: 11-5/8"Material: Galvanized Steel