1.brass press fittings for pert-al-pert&pex-al-pex pipes 2.CW617N,CW602N 3.EDPM seal rings 4. SUS 304 sleeve U style brass press fitting brass press equal elbow fitting is made of brass body,EDPM seal rings,stainless steel SUS 304 sleeve and plastic ring.Brass body material can be CW617N, CW602N, Hpb59-1, Hpb58-2, Hpb58-3, etc;brass body superficial treatment can be tin-plating and nickel-plating ...