The Zurn/Wilkins 1UFMX34F-700XL Lead Free Dual Check Valve Backflow Preventer is a high-quality plumbing product designed to prevent backflow in industrial plumbing systems. Made by the trusted brand Zurn/Wilkins in the United States. With its lead-free construction and dual check valve design, this backflow preventer ensures reliable and efficient performance for various plumbing applications.