Twin Bubble Airlock S With Stopper Grommets for Homebrew Carboy Stopper

Twin Bubble Airlock S With Stopper Grommets for Homebrew Carboy Stopper Fermenter Fermentation Seal Valve

You will get 4pcs Bubble Airlocks + 4pcs #6 Stopper + 10pcs grommets.

Made of high quality, food-grade BPA-free polypropylene material, durable in use.

Product use: Eliminate the carbon dioxide gas of fermentation, and prevent the outside air from entering the fermentation barrel.

Suitable for preserving, brewing, fermenting sauerkraut, kimchi.

it is made of healthy material, harder (not fragile)and more transparent. (Clearly see the whole fermentation process)Apply pressure slowly to the airlock when inserting into the drilled plug/stopper and they will last a long time as its top quality transparent airlock.
This new type of dust cap has a zigzag design on the surface and will not slide when opened. There are 3 buckles inside, press it down gently, and you can close it with a snap, pull it up and rotate it to open it. The lid does not need to be drilled as there is a gap around it, which allows the gas to escape.
These airlocks are solid and reusable. They can last for a long time. Just drop it in your sanitiser and reuse it many times and on many occasions(kimchi, kombucha, brewing winemaking). Research shows that fermentation helps make food easier to digest and often boosts its nutritional value.

What’s in the box
4 X Pieces Bubble Airlocks
4 X Pieces #6 Stopper
10 X Piecesgrommets