... products include: Equal Tees, Reducing Tees. Female Tees, Male Tees. Equal Elbow, Reducing Elbow, Female Elbow, Male ElbowFemale Adaptor, Male Adaptor. Equal Coupling, Reducing Coupling,etc6)Packaging ... ringAISI 430(UNI X8Cr17,W.nr 14828)Stainless steel for female threads for 1-1/4”to 4”3.Reference Standards ... AND PPR fittings supplying high quality of PP compression fitting(male adaptor)