Coravin Pure™ Sparkling CO2 Capsules power your Coravin Sparkling™ System. These replacement Capsules are filled with pure CO2, the same gas that creates bubbles in sparkling wine, to preserve its taste and effervescence for up to 4 weeks. Each Capsule preserves up to 7 standard bottles of sparkling wine.[#intro]Coravin Pure™ Sparkling CO2 Capsules preserve the flavour & bubbles of your favourite fizz...[/intro]