The 3/4" Dual Check Backflow Preventer, Lead Free, from Braxton Harris is essential for preventing backflow in plumbing systems. This device is constructed from high-quality materials to ensure durability and compliance with safety standards. It features dual check valves that effectively prevent contamination of potable water supplies. Designed for easy installation, this backflow preventer is suitable for residential and commercial applications, ensuring safe water flow and protecting your plumbing system from potential hazards.