SharkBite UC4008LFA 1/2-Inch Polybutylene PEX Barb Adapter Retail Packaging The SharkBite Connection System is an instant push-fit connection that connects copper tubing, CTS CPVC and PEX pipe in any combination No soldering, clamps, unions or glue required Certified to 200 PSI and 200-DegreeF Compact, robust DZR brass body is the foundation of a strong, corrosion resistant, durable fitting