Silicone Airlock for Mason Jar
Single Silicone Fermentation Airlock for Mason Jars.

Perfect for mason jar food fermentations. The one way silicone airlock allows gas from the fermentation activity to escape without letting oxygen in. No need to burp the jar or mess with water filled cup airlocks. Fits most wide mouth mason jars, and can be used with the standard metal locking ring for the lid.


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