CO2 Unthreaded 16g Gas Cartridge Cylinder Beer Keg Charger Food Grade Ten Pack
128oz GrowlerWerks Keg. EdgeStar TBC50Bl (if using CO2 kit). CO2 or Carbon Dioxide is an odourless, colourless, non inflammable gas with a light sour taste, it does not contain any minerals, salts or other solid ingredients.