Breathable Silicone stopper

Breathable Silicone stopper

  • $1.99


A breathable silicone bung that acts as both a stopper and an airlock. The unique design allows CO2 pressure to escape but keeps oxygen and airborne contamination out. Will create a vacuum if fermenting wort cools (as opposed to pulling water in from a traditional airlock).

Size is equivalent to a #7 stopper.


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