Coravin 6.5g Argon CAS 7440-37-1 Coravin Argon 65 Gas Cartridge Lot Of 8 Get the most out of your wine preservation system with these Coravin argon gas capsules. These pure argon cartridges ensure your wine stays fresh and flavorful for weeks. Perfect for both professional and home use. Condition: New condition. Size: Features: 6.5g Argon, CAS 7440-37-1, Pure Argon Gas, Wine Preservation, Sealed Brand: Coravin Type: Gas Cartridge Style: Coravin Argon 65 Color: Material: Measurements: See pictures. Tags: Coravin, Argon, Capsule, Gas, Preservation, New, Sealed, Lot