Feature●✅ FITS > Our CO2 bottles fit in the Quooker Cube.●Exchange > when your CO2 cartridges are empty > at us or in shops such as Aldi, DM & Co.●Quality: our CO2 cartridges are filled with high-purity carbon dioxide from Linde Germany●Protects the environment and back. No more towing! And relief for the environment thanks to less waste glass and plastic.●Strong service, by email and phone. We are happy to help you with problems with our carbon dioxide additional cylinders.Description