Pp Fermentation Bottle Stopper Fermentation Tank Sealing Valve S-Shaped Self-Made Bubble Airlock Plastic Covered One-Way Valve

Require Food Contact : Yes Product Type : Airlocks Material : Plastic Origin : Mainland China

Usage: For Preserving, Brewing, Making Wine, Beer, Fermenting Sauerkraut, Kimchi Feature:◆ Made of high quality BPA-free polypropylene w and rubber grommets◆ Easy operation for healthy fermentation food◆ Isolate the air to prevent oxidation to allow automatic fermentation◆ Suitable for preserving, brewing, making wine, beer, fermenting sauerkraut, kimchi