Rubber stopper, drilled for use with airlock. Great Grip. For use in fermenting with jugs, carboys and other fermenters.
Rubber Stopper- Size 3- Drilled
Drilled With 3/8" Center Hole
Accommodates Standard airlock
Rubber Stopper- Size 3- Drilled
Drilled With 3/8" Center Hole
Accommodates Standard airlock