The Polypipe UG418 is a square top surround gully/raising piece designed for effective and efficient waste water management. Crafted with durability and practicality in mind, this product is made from high-quality materials that ensure a long lifespan even under heavy use. Its unique design allows it to fit perfectly into your drainage system, providing optimal water flow and preventing potential blockages. Whether youre involved in a residential or commercial construction project, the Polypipe UG418 is a reliable choice for all your drainage needs.