stainless steel quick coupling DP type,quick coupling,hose connect coupling,quick joint quick coupling DP type(quick cam lock,fast coupling,connector) 1),Size:1/2"-6"2),Material:stainless steel 304,316(CF8,CF3),Aluminium alloy3),Pressure:1.6MPA4),Connection:threaded,leather hose5),Type:DPstainless steel quick coupling DP type,quick coupling,hose connect coupling,quick joint