... elbow,tee,cross,coupling,nipple,plug,union,plug.... stainless steel quick couplingJINYOU stainless sleeve pipe fittings1. Very easy of installing. ... Antielectrolysis ring of maximum effectiveness. 6. Design of attractive external appearance. 7.JINYOU 304stainless steel sleeves sizeSingle Single flared stainless steel ... ,14,16,18,20,25,32MM Double flared stainless steel sleeve Size DIA 12,14,16,18,20 ...