The 3 X 12" Double Extra Heavy Black Nipple by SERVICE METAL PRODUCTS is engineered for robust plumbing applications. This nipple features a double extra heavy wall thickness, providing enhanced strength and durability for high-pressure systems. With a nominal size of 3 inches by 12 inches, it is perfect for connecting larger pipes in industrial and commercial settings. The black finish offers excellent corrosion resistance, making it suitable for various environments. This product complies with industry standards, ensuring reliability and performance in your piping systems.