12 Cartridge Bundle of Argon Gas Cartridges for ONLY ReServe Wine Preservation Systems Contains food grade argon gas. WARNING: These cartridges DO NOT work with any other preservation system. Each cartridge has enough argon gas to fill 5 empty wine bottles! WARNING: These cartridges DO NOT work with any other preservation system. Each cartridge good for 20 uses. WARNING: These cartridges DO NOT work with any other preservation system. Made exclusively for Wine Innovations by iSi in Austria only for ReSeve Wine Preservation System. WARNING: These cartridges DO NOT work with any other preservation system. Use ONLY with ReServe Wine Preservation Systems. WARNING: These cartridges DO NOT work with any other preservation system.