1.For pex-al-pex and pert-al-pert pipe, 2.Material is CW617N&CW602N 3.SUS304 S/S sleeve 4.Size 16,18,20,25,32, Our reducing coupling brass press 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.The side with ...