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 PEXA or PEXB 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