The Osma Squareline 4T836 Drain Adaptor is a highly functional and robust piece of drainage equipment, specifically designed to connect square and round pipes seamlessly. Engineered in a perfect 61mm size and finished in a sleek black colour, this product ensures a secure fit with your existing pipe system, making it an ideal choice for both new installations and retrofit projects. Manufactured by the renowned brand Osma, this drain adaptor offers excellent durability and performance that you can rely on.