Sharkbite Female Connectors Combine Innovative Push-To-Connect Design With A Standard Fnpt Adapter On The Opposite End. The Push-Fit End Is Compatible With Copper, Pex, Cpvc Or Pe-Rt Pipes And Can Be Installed With No Solder, Glue, Unions Or Tools Required. These Fittings Are Rated To 200 Degree Fahrenheit And 200 Psi.