The 4" S40 PVC Coupling SW 429-040 by MILISSA DIRKS is designed for seamless connections in PVC piping systems. This coupling features a standard S40 design, ensuring compatibility with various PVC pipes. Constructed from high-quality PVC material, it offers excellent durability and resistance to corrosion. With a nominal size of 4 inches, it is ideal for both residential and commercial plumbing applications. The coupling is easy to install, providing a reliable solution for joining two sections of pipe securely. It meets industry standards for performance and safety, making it a trusted choice for your plumbing needs.