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Seal off your carboy with this breathable silicon bung! This bung is sized to fit standard carboys. It acts as both a solid stopper and an airlock, allowing CO2 to escape without allowing oxygen in. With a standard airlock, there is the possibility of pulling liquid in the airlock into the carboy when fermenting liquid cools. This airlock simply creates a better seal with no danger of sucking liquid in! Perfect for wine, lagers, or any other fermented beverage with an extended aging time./p>

Product Features

  • A breathable silicon bung for all your fermentation needs!
  • Fits standard carboys.
  • Allows CO2 to escape without letting oxygen in or the danger of sucking airlock liquid into the carboy.
  • Great for use with fermented beverages with extended aging times, such as wines and lagers.
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