Drinktanks 64oz Travel Keg system includes our keg cap accessory kit that turns your Drinktanks growler into a personal keg. This growler keg tap is designed specifically for Drinktanks growlers and will keep your beer fresh to the last drop. The keg cap kit comes with a cap, Co2 Injector, and two threaded 16 gram Co2 cartridges. This interchangeable cap can be used on our Drinktanks classic 64 oz growler and our Drinktanks juggernaut 128 oz growler. Your mini keg will provide you with an effortless pour everywhere, every time. Drinktanks was founded in Bend, Oregon – voted “Best Beer City 2014”.