Cash Acme U009A Shark Bite 3/8-by-1/2-Inch Reducing Coupling Elbow coupling , this item cannot ship to CA or VT Fastest easiest way to join copper, CTS, CPVC and PEX piping in any combination No soldering, clamps, unions or glue Certified to 20 psi and 200-Degree Fahrenheit 3/8-Inch by 1/2-Inch