Replace the standard plastic spigot on your cooler with this heavy duty stainless steel ball valve and bulkhead cooler kit. Simply removed old spigot and install the kit in the stock hole, tighten the coupler on the inside of the cooler. This will allow for use as a mash tun or hot water tank. Optional 1/2" or 3/8" barb for attaching tubing to perform transfers. Inside coupler allows for any 1/2" attachment. Sealing o-ring is high-temperature, food-grade.