delivery hose coupling with threading&hose coupling lcp-006dnt size:2.5"xG1.5",2.5"xG2',2.5"XG2.5" material:alminum delivery hose coupling with threading&hose couplinglcp-006dntsize:2.5"xG1.5",2.5"xG2',2.5"XG2.5"made of aluminummore detail please contact with me.we can do working pressure 10bar or 16bar delivery hose coupling