The Watts LF7R-3-U2 Dual Check Valve is a high-quality, lead-free valve designed for use in plumbing systems. It features a 1 inch MNPT x Union FNPT connection, making it easy to install in a variety of applications. This valve is designed to prevent backflow and ensure water flows in the correct direction, providing added peace of mind for homeowners and building owners. Made from durable materials, this valve is built to last and is suitable for both residential and commercial use. Ensure the safety and efficiency of your plumbing system with the Watts LF7R-3-U2 Dual Check Valve.