• Effortless Removal: Built - in tabs make taking out the bung a breeze.
• Dual - Function Design: Acts as an airlock during fermentation, releasing CO2 and blocking oxygen. Push the center cap for a solid seal after fermentation.
• Wide Compatibility: Fits most 30 and 60 - gallon barrels and the holes in the lids of most Variable Volume tanks.
Discover this amazing premium breathable silicone barrel bung! Its features are sure to enhance your fermentation process. Don't miss out on this must - have product for your barrels and tanks!

This premium breathable silicone bung is perfect for those who are into home - brewing or professional fermentation processes. Use it during alcoholic or malolactic fermentation in barrels or variable volume tanks. It can fit most 30 and 60 - gallon barrels and the holes in the lids of variable volume tanks, making it a very versatile choice for your fermentation needs.