... ,316L,copper ; 2.Finish:mirror polishing; 3.Application:sanitary pipe fitting part; 1.Type: sanitary pipe fittings2.Material: 304,304L,316L ... 4.Standards: DIN,3A,SMS,ISO,IDF, RJTSanitary union (ISO9001:2000,CE,TUV certified) Specification: DN15-DN150,1/2"-6", smaller ... with chain,blind cap etc... 12 stainless steel copper pipe fitting for sanitary systems