The FastPipe 90 Degree Elbow is here to help you create the best air system "for your garage or workshop. The 1" nylon compression elbow uses the same" compression fitting technology as the FastPipe Union fittings for quick and easy connections. You won't need glue, crimp or soldering equipment. Just cut the aluminum FastPipe tubing to size, insert it into the elbow and tighten the fitting. The nylon construction means no corrosion or rust to get into your air supply. The O ring compression fittings give you a system with no leaks. Create a new air supply system or add to an existing one using FastPipe.