Universal Carboy Bung Solid

White, rubber bung with longer taper for snugger fit and better seal. Lip prevents bung from falling into carboy. Fits Fermonster wide mouth carboys and other plastic carboys. Same size a #10 solid rubber stopper. Does not have hole for airlock.

Rubber Bung Solid (#8-9). Fits most 5 gallon whisky barrels.

To start with, the built in tabs really help make bung removal effortless. But where the bung really shines is in its two-piece design. When set to the open position, the bung acts as an airlock and allows the release of CO2 while maintaining a seal again