Ensure a secure and reliable seal in your fermentation setup with the Drilled Rubber Stopper #7. Designed to fit a variety of carboys, jugs, and fermenters, this stopper creates an airtight barrier while allowing for proper gas release when paired with an airlock.
The pre-drilled hole makes airlock installation quick and easy, helping maintain a controlled fermentation environment and protecting your batch from contamination. Made from durable, flexible rubber, it forms a tight seal while remaining easy to insert and remove as needed.
Ideal for homebrewers and winemakers alike, the #7 drilled stopper is a simple yet essential component for consistent, worry-free fermentation.
Size 7 tapered, rubber stopper with a 9 mm hole in the center.
Dimensions:
- Top diameter: 37 mm
- Bottom diameter: 31 mm
- Length: 24 mm
- Hole diameter: 9 mm