Drilled to accept an airlock (#7008 and 7010).
Universal bungs have a longer taper than standard rubber stoppers, for snugger fit and better seal — plus a lip prevents bung from falling into carboy.
This drilled universal bung will work with glass carboys. Top Diameter at the lip: 1.58" Top Diameter below the lip: 1.47" Bottom Diameter: 1.1...
Reviews
4.7
29 ratings
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Small universal stoppers
Work great with the big mouth bubbler
E
Evans · May 26, 2024
Stopper for big mouth
Works as it should. Fit is perfect and holds air lock. No problem with it.