Apollo® PEX brass fittings are used for making junctions or directional changes with PEX pipe constructed potable water systems. All Apollo® PEX brass fittings have barb ends unless otherwise noted. Apollo® PEX brass fittings can be used with Apollo® brand PEX-A or PEX-B pipe. Use Apollo® PEX brass fittings with Apollo® PEX pipe and fasten to pipe using Apollo® crimp rings, Apollo® pinch clamps or Apollo® crimp sleeves with Apollo® PEX tools.