The 4" 316SS Crimp Shank Coupler by SEALFAST is engineered for high-performance fluid transfer applications. Made from premium 316 stainless steel, this coupler offers exceptional corrosion resistance and durability, making it ideal for harsh environments. With a 4-inch diameter, it ensures a secure connection with various hoses and fittings. The crimp design provides a reliable seal, preventing leaks during operation. This coupler meets industry standards for safety and performance, making it a trusted choice for professionals in demanding industrial settings.