The 1" 3M SW UNION GALV FS by Capitol Manufacturing is a galvanized steel union fitting designed for seamless connections in plumbing systems. This fitting features a 3M socket weld connection, providing a strong and durable joint that is resistant to leaks. With a standard size of 1 inch, it is suitable for a variety of applications, including water and gas lines. The galvanized finish ensures protection against rust and corrosion, making it ideal for both indoor and outdoor use. This union fitting is essential for easy disassembly and maintenance of piping systems.