The 6.625" INSR SDR 11 BLACK from Dresser Industries is a robust insert designed for SDR 11 piping systems. This product is crafted from high-density polyethylene, ensuring durability and resistance to environmental stress. With a size of 6.625 inches, it is ideal for various applications, including water and gas distribution. The insert meets industry standards for performance and safety, making it a reliable choice for contractors and engineers. Its design allows for easy installation and a secure fit, ensuring efficient fluid flow and minimal leakage.