The 3" No Hub Cast Iron Backwater Valve from Braxton Harris is engineered to prevent backflow in plumbing systems. Constructed from durable cast iron, this valve is designed for long-lasting performance and resistance to corrosion. Its no-hub design allows for easy installation and compatibility with standard 3" piping systems. This backwater valve meets industry standards for safety and reliability, making it an essential component for both residential and commercial plumbing applications. It effectively protects against sewage backup, ensuring peace of mind for homeowners and contractors alike.