#5 Drilled Rubber Stopper (Bung) for Fermentation

#5 Drilled Rubber Stopper for Fermentation

#5 Drilled Rubber Stopper This #5 drilled rubber stopper is used with compatible fermentation vessels that need a bung and airlock.

Best Uses

• Drilled center hole is intended for standard fermentation airlock use.
• Commonly used in beer, wine, cider, mead, and small-batch fermentation setups where the size fits.
• A useful spare when replacing old, stained, cracked, or loose stoppers.

Fit and Setup Notes

Match the stopper size to the vessel opening before use. Sanitize both the stopper and airlock before installing them on a filled fermenter.

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