Private Preserve True 1026 Replaces the air that seeps into an open bottle with a balanced mixture of carbon dioxide, nitrogen and argon to keep wine fresh Gas mixture differs from fresh air because of what it lacks, oxygen and impurities, otherwise, the mixture is very similar to the air we breathe and is perfectly food safe Save your wine for Longer by putting the tip of the extension tube inside the neck of the bottle against the glass and spraying one long (1 second) and 4 short Bursts into 750 ml wine bottle Use each time after pouring a glass of wine when planning to store the rest of the wine; included tube is used to ensure maximum protection Recork Immediately after spraying wine Preserver and store upright to keep the protective layer of preserving gas on the surface of the wine