Drilled gum rubber stopper. Used to provide a positive seal on fermentors. Drilled hole is compatible with standard airlocks.
Top Diameter: 1.26"
Bottom Diameter: 1.024"
- Details & Instructions
Best Fit 1 gallon and 1/2 gallon jugs Bottom Diam. 1-1/16"
5.0 / 5.03 ReviewsGreat!Works great with 1 gallon glass jungs for an airlock.December 30, 2012WorksFits and works as advertised. Also very cheap.December 24, 2012
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