Our SDR 35 solvent weld sewer fittings are engineered or maximum performance in the most demanding environments and ease of installation. They are designed and manufactured to consistent dimensions and laying lengths to deliver a securely sealed, watertight joint connection on every installation. Only virgin compounds are used in our injection molding process to ensure the highest quality and durability. All fittings are thoroughly tested for joint tightness, internal stress, stability, color and uniformity. SDR 35 solvent weld sewer fittings conform to all municipal, federal, and military requirements and are available in a wide range of sizes. Our PVC backwater valves are designed to be integrated with this series.