Our Full Port Ball Valve with Cooler Bulkhead is built to perform. Crafted from 304 Stainless Steel with high temp rated Teflon® seals it provides excellent full bore flow through with little pressure loss. Including all the seals, stems, and lock nuts needed to install,just drill a hole 13/16? to 7/8? wide, mount the valve, and tighten the nut. Install this into containers up to 1¾? thick.