This Duotight Push - In Bulkhead is perfect for those who are into home brewing or beverage dispensing. You can use it when installing a Temp Twister cooling coil into the FermZilla lid or adding a connection point to various equipment. It has a size of 9.5 mm (3/8 in.) x 1/2 in. BSP, and it's made from food - grade acetal plastic. It can handle pressures up to 100 psi and temperatures up to 212°F (100°C). Whether you're a hobbyist brewer or a professional in the beverage industry, this bulkhead will make your life easier.