Adapts a compression connection to a thread which conform with American standard taper pipe thread. Recommended uses include copper, brass, & aluminum. Working temperatures are tubing dependent. Applications include oil, water, air, & natural gas. AGS brass and steel fittings are comprised of Tube Nuts, Unions (Couplers), Adapters, Elbows, Tees, Bushings, Connectors, Grease, etc... AGS fittings are held to the strictest standards to perform flawlessly in their intended applications. Fittings are offered in a variety of packaging options, including: retail clam-shells, bulk boxed, and plastic tray assortments.