The distinctive feature of the Pek PVV-20 VinoVault Wine Preserving Refrigerator is its built-in injection nozzle that infuses pure argon into opened but unfinished bottles of wine. Argon is an inert noble gas that can be used to displace oxygen, thus preventing oxidation of ethanol. The argon-filled bottle can then be sealed with a Pek Click-and-Pour Stopper, and stored upright [...]



