The Lead Free 1/2" Cold Expansion PEX x 3/4" MHT Large Flange by MATCO NORCA is a high-quality plumbing fitting designed for efficient water flow. This fitting features a 1/2-inch cold expansion PEX connection and a 3/4-inch male hose thread, making it versatile for various applications. Constructed from lead-free materials, it ensures safe drinking water and complies with health standards. The large flange design provides a secure connection, ideal for both residential and commercial plumbing systems. This fitting is perfect for use in water supply and heating applications.