The 4.500" INSR SDR 11 BLACK from Dresser Industries is a high-performance insert designed for SDR 11 piping systems. This insert is crafted from durable black material, ensuring resistance to corrosion and wear. With a size of 4.500 inches, it is ideal for various applications requiring secure and reliable connections. The insert meets industry standards for performance and safety, making it suitable for both commercial and industrial use. Its design allows for easy installation, ensuring efficient operation in your piping network.