Twin Bubble/S-Style Plastic Fermentation Airlock
- High quality "S" shaped
- Made of durable plastic
- Twin Bubble allows CO2 to escape
- Fill with sanitizer and attach to fermenter
- Works for beer, wine or vegetable fermentations
- Fits in grommeted bucket lids, drilled rubber stoppers or bungs
High quality "S" shaped, caps & bodies. The air lock is filled half full with water, metabisulphite solution or sanitizer to allow CO2 gas to escape the fermenter while not allowing air, bacteria or wild yeast to get into the wine.