All plastic vent pipe termination mesh screen to keep varmints, birds, and large insects out of your plumbing or other vent pipes. No metal so no worry about corrosion. Made from heavy duty plastic material. OD is 6.625″ to fit inside a 6″ PVC fitting joint. 3/16″ wall thickness, 1/4″ mesh. This Vent Termination Mesh Screen is an essential item for any 6 inch PVC vent pipe. Made entirely of plastic, there is no worry about corrosion like other metal style screens. Its unique design allows for maximum airflow while keeping out unwanted debris and pests. Ideal for use in industrial or residential plumbing and fixtures, this Vent Termination Mesh Screen is the perfect addition to any ventilation system. Its simple installation process ensures that it can be easily added to any existing pipe system without the need for professional help.