The 4MS Plug Str. by Fittings Unlimited Inc is a high-quality plug fitting designed for secure closures in piping systems. With a 4MS connection, this plug is ideal for various applications, providing a reliable seal to prevent leaks. Constructed from durable materials, it offers excellent resistance to wear and environmental factors. This fitting meets industry standards, ensuring compatibility with existing systems. Perfect for both residential and commercial use, this plug fitting is an essential component for professionals looking to maintain the integrity of their plumbing systems.