The 5/8" O.D. x 1/2" O.D. Brass Compression Reducing Union is a lead-free fitting ideal for transitioning between different pipe sizes. Constructed from durable brass, this union offers excellent resistance to corrosion and wear. It features a compression design that simplifies installation, eliminating the need for soldering or welding. This union is compliant with industry standards, ensuring safety and reliability in plumbing systems. Perfect for both residential and commercial use, it provides a secure connection for various applications.