The SEALFAST 6" Shank Coupler is constructed from high-quality 304 stainless steel, providing exceptional durability and corrosion resistance. This coupler is designed for seamless connections in various piping systems, ensuring a secure and leak-free fit. With a 6" diameter, it is suitable for heavy-duty applications, including industrial and marine environments. The 304SS material is ideal for use in less corrosive conditions, making this coupler a reliable choice for long-term performance. This product meets industry standards for quality and safety, ensuring peace of mind in your installations.