High‑quality Wavin OsmaS PP All Fit Redn Bend 90° WT 50×40 (2S355W) — a reliable 90° reducing bend for 50 mm to 40 mm connections in soil, waste and vent drainage systems. Crafted from durable polypropylene for secure, leak‑resistant joints in above‑ground drainage and plumbing installations, ideal for both residential and commercial projects.