Duplex Airlock

Duplex Airlock

Cylindrical model of excellent quality. Easy to clean. Recommended for larger barrels.

  • For barrels up to 60 l
  • More Information

    Filling the airlock with a little alcohol or  water makes it act as a siphon; the water closes the beer or wine off from the outside air; hence preventing outside bacteria from entering. However it allows the carbon dioxide formed during fermentation to escape through the airlock because of the excess pressure.

€3.80Price

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