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Airlock lid for 1 liter jar — image 1
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Airlock lid for 1 liter jar

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Lid for peanut butter jar to fit an airlock with a 1-3/8 inch tapered rubber stopper

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Model information

Category
Kitchen
License
Creative Commons — Attribution — Noncommercial — Share Alike

I use 1 liter jars for fermenting, and I needed a lid that would fit the rubber stopper on my airlocks.  

This lid fits the screw thread on a 1 kilogram Adam's peanut butter jar, found in groceries in Canada.  

 

The opening in the lid for the stopper is approx. 29mm, which fits my rubber stoppers with dimensions:

1-3/8" top x 1" bottom x 1" tall

or approximately

35mm top x 26mm bottom x 25mm tall.

 

I recommend printing it solid.  I've been using PLA but you'll need to do your own research on which materials are foodsafe for your application.  

 

 

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