Homewerks Worldwide 1/2(in) PVC Compression Repair Pipe Coupling, is used for connecting two pieces of 1/2(in) PVC pipe. It is made of PVC and has a maximum working pressure of 150 psi at 73 degrees Fahrenheit. It is suitable for use in cold water applications on galvanized or plastic pipe.,Homewerks Worldwide 1/2(in) PVC Compression Repair Pipe Coupling, is used for connecting two piece