The Wavin Osma Squareline Pipe Bend 87.5° 61mm Black (4T862B) is a durable PVC‑U rainwater downpipe bend designed for the SquareLine 61mm drainage system. Ideal for domestic and light commercial rainwater installations, this 87.5° angle pipe bend delivers a precise change of direction with secure sealing and long‑lasting weather‑resistance. Finished in sleek black to blend seamlessly with modern guttering, it’s compatible with other Wavin Osma SquareLine components and engineered for reliable performance in exterior drainage applications.