The 4" X 3-1/2" WROT FITTING REDUCER from Braxton Harris Co Inc is designed to facilitate smooth transitions between different pipe sizes. Made from high-quality wrought copper, this reducer features a 4" connection on one end and a 3-1/2" connection on the other, ensuring a secure fit. Its robust construction provides excellent resistance to corrosion and high temperatures, making it suitable for various plumbing applications. This fitting complies with industry standards, ensuring safety and reliability in both residential and commercial plumbing systems.