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30822 by Elkhart Supply, part of the PEXLOCK line, is a three-way plumbing tee fitting designed to connect 1/2-inch PEX tubing to a 1/2-inch male pipe-thread (MPT) connection. Its polymer construction resists corrosion and is suitable for compatible PEX A, B and C tubing systems. The PEXLOCK design allows installation with standard pliers, without a specialized crimping tool, and can be removed with a flat-head screwdriver. Check the thread type and tubing compatibility before installation.