The 5/8" Flare x 3/8" Flare Brass Reducing Union is a high-quality fitting designed for connecting pipes of different diameters. Made from durable brass, this reducing union is resistant to corrosion and wear, ensuring a long-lasting connection. It is ideal for use in various plumbing and HVAC applications, providing a reliable solution for reducing pipe sizes. The union features standard flare connections, making it easy to install and compatible with a wide range of systems. This fitting is perfect for both professional plumbers and DIY enthusiasts looking for a dependable plumbing solution.