Beer tower ( which should already have an elbow shank installed as well as a be faucet and beer line) ball lock or pin lock kegs, either ball lock or pin lock disconnect for both gas and beer, gas line, 3 clamps ( 1 for the beer line disconnect and 2 for the gas line, one on either side of the line), gas regulator, 5# co2 tank. If you don't have any place nearby to fill the co2 tank, you can buy a regulator made for a paintball tank and several paintball tanks for co2. Most sporting goods stores like Dick's and Sports Authority will fill these tanks.
