Description
The drilled #6.5 rubber stopper fits the 3-gallon carboys. The top is 1 3/8″ and the bottom is 1 1/8″.
The #7 stopper fits 5, 6 & 6.5-gallon carboys. The top is 1 7/16″ and the bottom is 1 3/16″.
The #11 stopper is a rubber stopper with a pre-drilled hole for your airlock. It fits 2″ openings, like beer kegs or any of the 2″ tri-clamp connections on our boilers or still towers. The drilled stopper top is 2 1/4″ and the bottom is 1 15/16″..
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