Beer kegs are several things ... Most of the parts can be picked up locally or through MoreBeer.com. CO2 cartridges are used to pressurize the bottle. To keep everything cool you can use a ...

Half barrels are the most commonly used kegs in restaurants and bars ... sixth barrel (5.16 gallons or 55 bottles of beer), and a mini keg (1.32 gallons or 14 bottles of beer).