Durable Wavin OsmaO PVCU Adaptor 90° WT 21.5 (1O159W) — a high‑quality 90° right‑angle PVC‑U adaptor designed for efficient directional changes in soil, waste and vent pipework. Ideal for above‑ground drainage and plumbing systems, this compact adaptor ensures secure, leak‑resistant connections in tight spaces for residential and commercial installations.