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Carboy Bung Retainer
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An easy way to keep the bung in!
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Share Alike
This is a bung retainer I designed for my carboys, for use when making homemade wine, mead, or anything else that needs to have an airlock installed on a carboy. It is held together with rubber bands to maintain pressure on the bung.
The sizes are listed by the gallon volume of the carboys I own, and carboy designs may vary a bit, so go by the dimensions of your carboy, not the gallons I have listed. The “topper” is universal.
Here are the internal dimensions of all of the sizes:
1 gal: 44.0 mm neck
6 gal: 48.0 mm neck
6.5 gal: 42.7 mm neck
Topper: 12 mm stem, 48mm OD