#6 Drilled Rubber Stopper (Bung) for Fermentation

#6 Drilled Rubber Stopper for Fermentation

#6 Drilled Rubber Stopper This #6 drilled rubber stopper is a fermentation bung for compatible carboys, jugs, and vessels that use an airlock or similar inserted fitting.

Best Uses

• Drilled center hole supports standard fermentation airlock use where sizing fits.
• Useful for beer, wine, cider, mead, and small-batch fermentation setups.
• A good replacement when an older stopper is cracked, stained, loose, or difficult to sanitize.

Fit and Setup Notes

Match the stopper number to the vessel opening before brew day. Sanitize the stopper and airlock before use and confirm the fit is secure without forcing it.

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