3 pack twin bubble airlock- 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
- Color of cap may vary
3 pack Twin Bubble Airlock for Fermenting Home brews beer or wine