With our airlock lids, oxygen does not get into the glass, which is the main reason for mold growth. All components of the airlock lids are BPA free. Just put it on and twist it shut. No manual venting and no annoying refilling of water needed, as with common fermentation bungs. Fits perfectly on all Mason Ball and Pearl Jar jars with wide mouth (diameter: 8,5 cm)

Information about the airlock lids

These special airlock lids are designed to make fermentation of kefir, vegetables and cabbage easier and safer. Simply place on top and screw tight. Fits all wide mouth Ball Mason Jars.

Take your fermentation to a new level with our Fairment airlock lids.

Finally, no more fermentation bungs to check and fill with water daily. Just put them on, screw them down and get started.

The fermentation tops fit all wide mouth Mason Jar jars (16 oz, 24 oz, 32 oz, 64 oz). Unfortunately, not compatible with the 3.4l jar.

They ensure that oxygen does not enter the jar, but at the same time allow gases produced during fermentation to escape. This ensures safe fermentation, prevents the formation of mold and the bursting of the jar.

At the same time it is more hygienic and also makes a real visual impact.

What you get

4x airlock lids

The tops are an extension to our fermentation system. The pump is required for this. The fermentation tops fit on Mason Jar 16 oz, 24 oz, 32 oz, 64 oz.


airlock lids (4 pieces)


incl. Tax excl. Shipping

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