1.Material :Stainless Steel 304,304L,316L,copper ; 2.Finish:mirror polishing; 3.Application:sanitary pipe fitting part; 1.Type: sanitary pipe fittings2.Material: 304, ... 400G)Shape: round or hexagon typeA completed union was composed of nut,liner,male,seal ring. We also supply seperate parts ... liner,male,blind cap with chain,blind cap etc... 12 stainless steel copper pipe fitting for sanitary systems