ORDORA 3 Pack Wine Preservation System Capsules Compatible for Coravin Model Two Premium/Model One Advanced/Model Two Elite Wine Preservation System, 100% ultra-pure Argon Gas-Cap Not IncludedOnly Compatible for Coravin Wine Preservation System: ORDORA wine preserver argon capsules compatible for Coravin Model 1 Model Two Premium Model One Advanced Model Two Elite, and so on. CAP NOT INCLUDED Only come with 3pcs * 6. 5g 20. 7ml argon gas capsules, not including the cap. You need to take off the cap from the original bottle and screw the cap on ORDORA argon capsules. PURE PERFORMANCE: ORDORA pure food grade argon cartridges perfectly