... ,cut-ring and nut,3)Raw material:brass for different type:DZR,CW617,CZ132,Normal Brass and so on4)Elevated reliability ... *2.5mm, 26*3.0mm,32*3.0mm Include:Male Coupler, Female Coupler, Double coupler, Tee, Female Tee, Male Tee, Elbow, Female Elbow, Male ...