S Shape Twin Bubble Airlock, One Way Exhaust Valve Bubble Airlock Homebrew Fermentation for Wine Beer Making

【SIMPLE TO OPERATE】: Easy for you to operate, simply fill water into the exhaust valve, insert it to the cover of the brew barrel or rubber plug on the top of the fermentation container and then cover it with the lid.

【PROMOTE FERMENTATION & PREVENT OXIDATION】: Our twin bubble airlock can emit carbon dioxide for honey, white wine, milk wine alcohol fermentation and prevent oxidation.

【CLEAR TO VIEW】: Transparent plastic fermentation airlock enables you to clearly look inside, so that you can see the airlock do the hard work for you all the time.

【AUTOMATIC FERMENTATION & REUSABLE】: The whole fermentation process is automatic, no manual control required, and it can be also repeatedly used for a long time.