1/2" PEX A expansion connection for a secure, leak-proof fit 3/4" MHT (Male Hose Thread) for easy and reliable hose attachment Copper hammer arrestor to mitigate water hammer and minimize noise Blue handle for intuitive water shutoff control Durable brass construction for reliable and long-lasting use The XFITTING Premium Washing Machine Outlet Stop Valve is designed for use with PEX A expansion systems, providing a dependable and durable solution for washing machine installations. This valve features a 1/2" PEX A expansion connection and a 3/4" MHT (Male Hose Thread) outlet, allowing for easy and secure hose attachment. The integrated copper hammer arrestor helps to prevent water hammer, reducing noise and protecting your plumbing system. The blue handle ensures smooth and effortless control of water flow, while the robust brass construction guarantees long-lasting performance for both residential and commercial applications.