Drilled Rubber Stopper-drilled with 3/8"center hole to accommodate standard air locks.
- Drilled Rubber Stopper Number 10
- Set of 3
- Drilled With 3/8" Center Hole
- Accommodates Standard Airlock
- Drilled Rubber Stopper Number 10
- Set of 3
- Drilled With 3/8" Center Hole
- Accommodates Standard Airlock