Uponor ProPEX Lead-Free (LF) Brass Ball Valves provide superior quality and performance for residential PEX-a potable-plumbing applications. The full-port ball valves are manufactured from a premium dezincification-resistant, lead-free brass to ensure a lifetime of reliability. The valves feature the trusted ProPEX F1960 connection along with positive tube stops for installation confidence and ease. Note that a ProPEX expansion tool and ProPEX rings are required to make the ProPEX connection.