The Wavin OsmaW ABS Knuckle Bend 90° GY 40 (5Z160G) is a sturdy 40 mm grey ABS knuckle bend designed for soil and waste drainage systems, providing a tight, 90‑degree turn where space is limited. Built from robust ABS plastic, this knuckle bend offers reliable performance for domestic and commercial installations with solvent‑weld connections for secure jointing. Ideal for plumbers and tradespeople seeking durable above‑ground drainage pipe fittings that deliver smooth waste flow and long‑lasting reliability.