Better Bottle Universal Medium Drilled Bung
The Better Bottle universal carboy bung is designed to accommodate 3,5 and 6 gallon Better Bottle carboys.Features a lip to prevent the bung from falling to far into an orifice. Drilled stopper to accomodate standard air locks.

California Proposition 65

Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.