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our tall ventilating bung provides superior gas exchange compared to standard stoppers
Designed to create an ultra-airtight hermetic seal
The integrated grab ring ensures that even after a vacuum seal has formed
Our 2-inch solid silicone bung is engineered for the critical aging and storage phases of production
Made from USP Class VI medical-grade silicone
2 3/16" Locking Silicone Barrel Bung with Grab Ring | Mechanical Security Stopper for 60/53 Gallon Wine & Spirit Barrels white oak barrel bung our tall ventilating bung provides2 3 16" Locking Grab Ring Bung Take the guesswork out of barrel security with our 2 3 16" Locking Grab Ring Bung. While traditional bungs can loosen during temperature fluctuations or transport, our locking mechanism creates a mechanical, expansion tight seal that won't budge. Designed for high value wine and spirit aging, this bung ensures that your barrel remains hermetically sealed even in the most demanding cellar environments. Mechanical