#10.5 Solid Rubber Stopper (SRS)

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The #10.5 Solid Rubber Stopper (SRS) is a pure white gum laboratory stopper. The top diameter is 2 1/16" and the bottom diameter is 1 3/4". It is solid, with no hole drilled in it, so it is perfect for putting on a fermenter once fermentation is complete or if you are storing a clean and dry fermentor.The #10.5 Rubber Stopper is also available as a #10.5 drilled rubber stopper (drs). Show more