Protecting your fermentation from harmful airborne bacteria is easy with this 1 piece airlock. The twin bubbles, when filled with sanitized water (or vodka) create an effective barrier that allows excess CO2 to escape, while preventing harmful bacteria or wild yeast to enter your beer.
This one piece plastic airlock is affordable and easy to maintain.
Excellent for secondary and long-term fermentation.
Available individually or in a set of 4.
