1.For multilayer pipe, 2.Material is CW617N&CW614N, 3.AISI304 S/S sleeve, 4.Size 16,18,20,25,32,1/2",3/4",1" 5.Nickel plated Our brass press fitting, brass pipe fitting,pex pipe fitting,pvc pipe fitting,ppr fitting ,copper fitting,screw fitting,thread fitting are designed to build together with our pipes. 1. Brass fiiting of high quality, manufactured with bar gauged for right figures (union, ...