Airlock - Twin Bubble

Airlock - Twin Bubble

Hopback Homebrewing Supplies

Regular price $0.00 $1.99 Sale

Airlock Twin S - Bubble 

This S-bubble airlock is the selected 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.