1/2 x 1/2 x 1 Tee Copper x Copper x CopperThe 1 2 Copper x 1 2 Copper x 1 Copper Reducing Tee is a tee fitting used in piping systems to branch off the flow of liquid or gas. It is widely used in plumbing, heating, ventilation, and various industrial applications. The fitting is called a reducing tee because it allows a smaller pipe size to connect to a larger pipe size at a T configuration. Made from copper for its excellent resistance to corrosion, good heat conductivity, and reliability.