Used 5 gallon ball lock pepsi kegs. These kegs have been cleaned inside and have been pressure tested. Our kegs come with a free set of new o-rings as well as the ones that come on the kegs. They were purchased from a distributor so there have never been chemicals or anything other than soda in them. Kegs will either have green, blue or black rubber tops and bottoms. Kegs may have small dents or dings on the outside as they are used, but nothing that makes them unserviceable. They may also have stickers on the outside. All kegs have oval shaped lids-No racetrack lids. These kegs are getting very hard to come by and soon brand new ones will be the only option to homebrewers. Get these while you still can!