Rubber Stopper- Size 5.5- Drilled. Our stoppers are manufactured from a premium grade rubber material. This makes the stopper soft, pliable and long lasting. The hole size is 3/8", and you can use with an airlock.
Rubber Stopper- Size 5.5- Drilled
Premium Grade Rubber Material
The hole size is 3/8"
Rubber Stopper- Size 5.5- Drilled
Premium Grade Rubber Material
The hole size is 3/8"
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Size 5.5 rubber stopper, drilled
Fits fairly well in the one inch opening of my fermenter. Probably should have gone with a size "6". Some additional measurements on these would be helpful.
