Lead Free DZR Brass construction for durability and reliability, Use to connect to any combination of Copper, PEX, or CPVC Pipes, Innovative Push-Fit design makes for quick and easy installation, Push-Fit connections require no solder, glue, unions, or tools, Fitting can be rotated on pipe after installation making it easier to work in tight spaces, Designed for potable water distribution as well as hydronic heating applications