Cash Acme U140A Shark Bite 1-Inch Shark Bite MNPT Male Adaptor Tee coupling , this item cannot ship to CA or VT MNPT male adaptor 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