Apollo® PEX™ lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo® PEX™ fittings are suitable for both potable water and hydronic heating systems. Apollo® PEX™ fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo® PEX™ fittings.