The Zurn Wilkins 3/4" Double Check Backflow Preventer Valve 950XLT2 is a reliable and essential component for preventing backflow in water systems. This manual valve features a double check assembly design, ensuring that water flows in only one direction to maintain the integrity of the system. With a pipe size of 1 inch, this unit is suitable for various plumbing applications and is sold as a single piece in a new open box. Trust in the Zurn Wilkins brand for quality and dependability in your hydraulic systems.