The Tail Piece Kit is perfect for making the transition to PEX. The items works with the line of pressure regulators and thermostatic mixing valves. The piece easily attaches to the threaded end of the valve and the other end attaches to your PEX tubing.; ; Brand Name: Cash Acme End 1 Size: 3/4 in. Body Material: Brass Product Type: Tailpiece Fitting Kit End 2 Size: 3/4 in. Number in Package: 1 pc Lead Content: Lead-Free