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Medium Universal sized rubber bung for fermentation air lock

Medium Universal Stopper with Hole

by The Vintage Shop
$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39

Medium Universal Stopper with Hole

Medium Universal Stopper with Hole This medium universal stopper with a hole is a flexible fermentation closure for compatible vessels that use a standard airlock.

Best Uses

  • Tapered shape helps fit a range of compatible vessel mouths.
  • Useful for beer, wine, cider, mead, and other small fermentation projects.
  • Good to keep as a spare when changing vessels, airlocks, or batch sizes.

Fit and Setup Notes

Sanitize before use and confirm the stopper sits securely. If fermentation is vigorous, make sure your airlock or blowoff setup can handle the activity.

For related supplies, browse fermenters and accessories, brewing equipment.