The Wavin Osmavent Air Admittance Valve 82-110mm in a sleek white finish is an essential addition to your plumbing system. Designed by Wavin, a trusted name in the industry, this durable valve is engineered to allow the admission of air into your drainage system while preventing foul gases from escaping. With its large diameter range of 82-110mm, it offers versatile installation options and is perfect for both residential and commercial applications. This product is not only robust but also easy to install, ensuring a trouble-free experience.