7pack Maintenance airlock waterless fermentation lids for wide mouth mason jars. Make Sauerkraut, Kimchi, Pickles, any fermented vegetable probiotic foods. BPA, mold free, dishwasher safe.

Features

• Automatically vent gas. No need to burp jars or maintain water levels in airlock.
• Built-in date dial on the lid. Twist pointer to finished date. No need to write anything down.
• Fun DIY fermentation canning tool. Fit on top of all types of wide mouth mason glass jars.
• Great for making Sauerkraut, Kimchi, Pickles or any fermented vegetable probiotic foods
• Simple one piece low profile design. No messing with multiple bulky pieces.
• Excellent vegan gifts, vegetarian gift, gut biome health conscious gift