Barbed on both ends. For use with Zurn PEX crosslinked polyethylene tubing. For hot or cold water. Uses Zurn PEX QickClamp Crimp Rings (not included). Eliminates need for solvents, chemicals, solder, and flame. Offers fast, efficient installations. Meets ASTM F-876, F-877 standards. Chrome plated tee handle. Size 1/2” x 1/2”. Bulk.