123234 B&K Llc 630-104HC 3/4 Copper x Male, Push On Adapter, Includes Insert For Pex Piping, For Proline Fittings, Heat Free Method For Joining Copper, CPVC Pex Tube, A Removable Reusable Fitting System That Provides The Ultimate Flexibility, Contains Less Than .025 Percent Weighted Average Lead Content On Wetted Surfaces, California Vermont Low Lead Compliant.