This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter.
Fill to line with boiled water or sanitizer to create a closed system, which allows CO2 to escape, but doesn't allow air back in to contaminate your wine or beer.
Customer ReviewsWrite a review
Love this supplier. Everything comes in a timely manner. Airlock works great.
I love these air licks. Cheap and last forever.
fast delivery, great communications, i highly recommend midwest supply for all your brewing needs.