The Oatey Sure-Vent Air Admittance Valve is a two-piece unit made of PVC, designed to fit 1-1/2” and 2” PVC pipes. Manufactured in the United States, this valve is an essential component for plumbing systems to help regulate air intake. With its brand reputation and specific manufacturer part number, 39230, this product ensures quality and compatibility with various plumbing setups. Ideal for home improvement projects involving plumbing and fixtures, the Oatey Sure-Vent Air Admittance Valve offers a reliable solution for managing air pressure in your system.