PEXlock 3/4"x1/2" Pexlock Reducing Elbow. It is rated at 180 degrees at 100 psi & 73 degrees at 200 psi. It is NSF & CSA approved for new building behind wall & underground application. For installation use a pair of slip joint pliers. It has a 25 year warranty. It is bagged. PEXLock fittings work great with any brand or type of SDR-9 PEX or PE-RT tubing. Use with PEXLock plastic clamps which only require a simple pair of pliers to fix the connection. Rings and clamps are sold with the fittings unless specified in the description.