The 4" Shank Coupler made from 316 Stainless Steel by Sealfast is engineered for high-performance applications. This coupler features a robust design that ensures a secure connection in various plumbing and industrial systems. The 316SS material provides superior corrosion resistance, making it suitable for marine and chemical environments. With a 4" diameter, it is compatible with standard piping systems and meets industry compliance standards for safety and reliability. Ideal for use in high-pressure applications.