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Screw it on and you're done! A true one-piece, waterless, double-valved, fermentation airlock lid for Mason jars + ergonomic weight
If you missed the Kickstarter, you can still pre-order a FermLock by clicking the Buy Now link below!
If you missed the Kickstarter, you can still pre-order a FermLock by clicking the Buy Now link below!
292 backers pledged $13,090 to help bring this project to life.

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