A ball lock cap is an ideal solution for home brewers and beverage enthusiasts using industry standard ball lock kegs and equipment. A great accessory to easily charge your pressurized growler from your own tank without the use of a food grade CO2 cartridge.

These Ball Lock Caps Are Heavy Duty!
The ball lock cap was engineered for a quality carbonating experience and built to last the rigors of the foodservice industry. Needless to say this ball lock growler cap will last a lifetime. Each cap comes with a fully integrated and easily adjustable PSI gauge, removable (and interchangeable) ball lock post (gas in), a safety valve that releases pressure automatically over 20 PSI, and a manual pressure release zipper tab so you can make your own adjustments! Made from 100% food safe materials, it is now easy and convenient to pressurize your favorite carbonated beverages from any CO2 tank at a moments notice!