HEPWORTH Grey uPVC Pipes and Fittings are made for long-lasting and effective subterranean drainage applications. These gray pipes provide exceptional resistance to corrosion, chemicals, and soil conditions because they are made of premium unplasticized PVC. Hepworth grey uPVC pipes and fittings are lightweight, simple to install, and require little upkeep. They have a smooth interior surface for better flow and less clogging. They satisfy worldwide quality and performance standards and are frequently used for rainwater and foul water drainage in residential, commercial, and industrial projects.