Replace the standard spigot on a Rubbermaid cooler with this weldless assembly and its ready for use as a mash tun or hot liquor tank. On one end, the bulkhead provides a watertight seal. The bulkhead is attached to a 3-piece ball valve by a 1 1/2" long 1/2" NPT to 1/2" NPT nipple. A 1/2" barbed nipple is connected to the ball valve for attaching tubing to transfer water or wort. This fitting is all stainless steel internally.