The Wavin Osma OsmaW PVC‑U Cap & Liner WT 32 (4Z364W) is a durable polypropylene cap and liner designed for 32 mm above‑ground waste pipe systems. Ideal for sealing pipe ends, this easy-fit fitting ensures a secure, watertight finish, helping prevent leaks and maintain efficient drainage. Compatible with Osma WT 32 pipework, it’s suitable for domestic and commercial plumbing applications, offering a reliable and long-lasting solution for maintenance and new installations.