Fermentation Lid With Air Lock

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The Kilner® Silicone Fermentation Lid & Air Lock Set has been specially designed to be used with a 3 litre Kilner® Jar. The lid is made from premium silicone and combines an air lock which creates an anaerobic atmosphere – perfect for fermenting foods such as sauerkraut, pickles and kimchi.

The air lock works by allowing gases to be released during the fermentation process, but does not allow air to enter the jar. Air entering the jar from outside can cause the food to spoil.

Set contains:
1 x Kilner® Silicone Fermentation lid
1 x Air Lock

Glass is best for storing food and drink. It is made from natural ingredients so no harmful chemicals or toxins can leak into the food. Glass is BPA free and does not absorb odours, flavours or stains. Not only is glass a healthier option, it is made to last and never for single use. Kilner® continues to tackle plastic waste with our ethos of REUSE, REFILL, RECYCLE.

The original Kilner® Jar, invented by John Kilner and Co. in England is as much loved and successful now as it was over 180 years ago.
Our diverse product range provides simple solutions for preserving, food preparation, storage and eating on-the-go using high quality materials all authenticated with the iconic Kilner® brand logo.


Product Length (mm)160
Product Width (mm)40
Product Height (mm)120
Dishwasher Safe
Wash before first use
1 x Kilner® Silicone Fermentation lid
1 x Air Lock
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