The Mueller PF02395 Streamline PRS Copper Press 90 Degree street Elbow is a high-quality plumbing fitting designed for industrial use. Produced by Mueller Industries, a reputable brand in the industry, this 4-inch elbow ensures reliable and efficient drainage and water flow in various systems. Its sturdy construction and precise design make it a valuable component for both residential and commercial applications, providing a seamless solution for various plumbing needs.