SharkBite Stub-Out Pipe Elbow, Nominal Size: 1/2 in, Barb x CTS Connection, 160 psi, Operating Temperature: 33 to 200 deg F, Brass, Suitable for: PEX and PE-RT PipesCopper stub-out used during the rough-in plumbing phase for pressure testingAllows stop valves to be installed during the trim-out phaseSimply cut the stub-out and attach a stop valve to complete the installationCertified for use in potable water and hydronic heating systemsConnects to PEX pipe with copper crimp rings or stainless steel clampsCertified for potable and radiant heating applicationsLead-free