SharkBite® U416LFA Lead-Free Brass Push-Fit Reducing Tee, 1" x 1" x 3/4"For use with copper tubing copper tube size, CPVC & pex with integral tube liner included. Certified to 200 PSI & 200 degrees fahrenheit. This is easily rotated after installation to make connecting even easier in tight spaces. There is no need for soldering, clamps, unions or glue. These fittings are certified for use with Copper, PEX, CPVC or PE RT tubing. 1" x 1" x 3 4" For use with copper tubing CTS, CPVC & pex with integral tube liner included