Wavin Osma SquareLine 4T837W Outlet Adaptor Square to Round White

The Wavin Osma Squareline Outlet Adaptor Square to Round 61mm White (4T837W) is a high-quality PVC‑U rainwater fitting designed to connect Squareline 61mm guttering to round downpipes. Ideal for domestic and commercial rainwater systems, this adaptor ensures a secure, leak-free transition from square to round pipework, maintaining efficient water flow and reliable drainage. The white finish provides a clean, professional appearance and integrates seamlessly with other Wavin Osma Squareline components for long-lasting performance.