Premium Coravin Pure Capsules are specifically designed for use with all Coravin Systems, ensuring the perfect seal and the perfect pour every time. The Coravin Pure Capsules are the secret to the Coravin System. The Coravin Pure Capsules are filled with 99.99% ultra-pure argon to preserve the life and flavor of the wine. Each Coravin Pure Capsule pours 15 full glasses of wine.