... Szie: 1/2,3/4",1" 1.Product : Copper Socket Connection 2.Size: 1/2,3/4",1" 3. Material: ... rare oxy-agent, the products can anti-corrodemany chemical agents, without rusting, bacteria growth or non-electric chemicalcorrosion.4)Safe and ... materials, so it is safe and reliable Copper Fitting Copper Socket Connection Size:1/2",3/4",1"