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No. 7 Stopper - Drilled

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No. 7 Stopper - Drilled




Drilled gum rubber stopper. Used to provide a positive seal on fermentors. Drilled hole is compatible with standard airlocks.

Our rubber stoppers are manufactured from a premium-grade material. This makes the stopper soft, pliable and long lasting.

Top Diameter: 1.457"

Bottom Diameter: 1.181"

Details & Instructions

Additional Information

Best Fit 3, 5 & 6.5 Gallon Carboys
Bottom Diam. 1 3/16"

4.7 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
product is a winner -
good for small batches-fits one gallon jugs{using store jugs of iced tea and juices.I am happy with the product.
June 22, 2019
4 months ago
Just a tad too small for 5 gallon carboy.
I typically use medium universal bungs with my airlocks and blowoff tubes. The carboy I bought stated that I needed size 7 stoppers for it; the stopper seems to be a little small for the 5 gallon glass carboy, but they do work. I also use one at the opposite end of the blowoff tube to keep the tip submerged in sanitizing solution for the first couple of days before I swap over to airlocks.
December 29, 2012
Great value
Perfect size for my 6.5 carboy, comes drilled for an airlock, and is only a buck. What more could you ask for?
December 13, 2012
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