The 3/4 C X 5/8 C Coupling from Mueller Streamline is a reliable plumbing fitting designed for connecting pipes of varying sizes. This coupling features a robust construction that ensures a secure and leak-free connection. With a 3/4" copper inlet and a 5/8" copper outlet, it is ideal for a range of plumbing applications. Easy to install and compatible with standard plumbing systems, this coupling is a dependable choice for both residential and commercial projects. Its durable design guarantees long-lasting performance and compliance with industry standards.