Perfectly working Krups Sub mini keg beer dispenser. Cools and stays cold quickly. Perfect gift for beer lovers. Have your own mini keg bar The KRUPS VB641 Sub is compatible only with Hopsy beverage torp containers. Visit www.Hopsy.beer to see the full craft beer selection from over 50 micro breweries. The Krups Sub maintains the optimum refrigerator temperature, ensuring the beer remains fresh for up to 15 days.