Amazon.com: Slim Keg Adapter - Used on Top of a Half-Barrel Keg Stacker or a Half-Barrel Keg Spacer to Stack a Sixtel Keg or a Quarter-Slim Keg on Top of a Half-Barrel
Stainless Steel Slim 5 L 10 L 1/6 Bbl 1/4 Bbl 1/2 Bbl Empty Beer Barrel Bier Keg of Us Standard Barrel The Keg Beer