This solid silicone bung will fit 10, 15, and 30 gallon barrels. It has an attachment tab on the bottom, with a hole drilled in it for infusions. A nice option for any brewer or vintner to put a seal on their barrel.

The top diameter is 2.20 inches and the bottom diameter is 1.75 inches.

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.