Generally speaking, it is said that copper ions are harmful to the human body. At present, except for plastic pipes without metal pollution, other pipes such as iron pipes, aluminum pipes and copper pipes have certain metal pollution. Relatively speaking, the pollution of copper pipes is the smallest. , Generally does not cause household water pollution. Brass Threaded Male Gooseneck Hose Adapter is your good choice. We produce quality Brass Threaded Male Gooseneck Hose Adapter.