A PVC 20mm Grey T-Piece fitting is a type of plumbing fitting used to connect three pipes together, the fitting is shaped like the letter T. The "PVC" refers to the type of plastic the fitting is made of, which is known for its durability, resistance to chemicals, and low cost. "20mm" refers to the size of the fitting, which is the inside diameter of the pipe it will fit on. The "Grey" is the color of the fitting, this color code is used to identity the material and also indicate the pressure rating of the pipe fitting. The "T-Piece" refers to the design of the fitting, which is shaped like the letter T and allows three pipes to connect together, with one pipe going in the top of the T and two pipes coming out of the bottom of the T. This type of T-piece fitting is typically used in irrigation, plumbing and pool or spa piping systems to split one pipe into two or connect three different pipes together in one location.
