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 / 5.04 ReviewsIt is, what it saysWorks for it's intended purpose. Fits great, but I would recommend putting air lock in stopper before putting stopper in jug. The inside diameter of the jugs can vary and you don't want to push the stopper into the jug.July 6, 2017Purchased
1 year agoworks as expectedit fits and the price is rightJanuary 4, 2013Great!Works great with 1 gallon glass jungs for an airlock.December 30, 2012
- Customer Q&A