Three-piece airlock recommended for larger fermenters. Innovative construction guarantees silent fermentation process and prevents ingress of dirt and flies.
Clear, sturdy and long-lasting. Due to the bigger airlock size liquid evaporation is limited.

Advantages:
- innovative design that makes the airlock:
 - silent
 - stable
 - durable
 - easy to clean
 - efficiently vented
 - remarkably practical
 - secure against flies and other insects
- for large containers