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#6.5 Drilled Rubber Stopper (DRS)


This #6.5 Drilled Rubber Stopper (DRS) has a top diameter of 1 3/8", bottom diameter of 1 1/8", and a 3/8" hole drilled in the center, perfect for an airlock.

Our #6.5 rubber stopper fits most 3, 5, 6, and 6.5 gallon glass carboys and is also available as a #6.5 solid rubber stopper (srs) (or try the universal carboy stopper).