Repair broken pipe and stop leaks with the National Diversified Sales 3P05R 3" White Hub x Hub PVC S&D Slip Repair Coupling. The Slip Repair Coupling (also known as a slip socket) connects the replacement piece of pipe where the damaged pipe has been removed, and one coupling is used on each end. This repair coupler is used to connect two pipes of the same size and type. The S&D Slip Repair Coupling is made of polyvinyl chloride (PVC) and makes a Hub X Hub solvent-weld connection. Meets applicable ASTM standards. For use in non-pressurized underground sewer and drainage applications; maximum working pressure of 5 psi. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.