Automatic one-way CO2 venting prevents mold and spoilage for reliable fermentation
One-piece silicone construction is BPA and phthalate free for safe food contact
Fits both wide and regular mouth mason jars for versatile use
Dishwasher safe for easy cleaning and maintenance
Reusable and easy to install with standard screw bands
Summarized by Shop
DESCRIPTION
CARE & MATERIALS
Size
• Pack of 4 Automatic Venting Airlock for Fermenting Vegetables
• Can be Used for Fermenting Probiotic Sauerkraut, Pickles, Kimchi & More!
• Fits on the Mouth of Mason Jars to be Secured with a Screw Band (Not Included)
• Available in 2 Sizes Designed for Wide Mouth or Regular Mouth
Material
Silicone
Pack Size
4 airlocks
Sizes
84 mm (wide mouth), 68 mm (regular mouth)
Compatible Jars
Fits Ball, Kerr, Bernardin, and most regular mouth mason jars
Closure Type
Screw-on (airlock), requires standard screw band (not included)
Colors
Blue, Red, Purple, Teal
Summarized by Shop
4.8
74 ratings
5
4
3
2
1
New to Fermentation
I am new to fermentation and am looking forward to trying different recipes. The product is of good quality and works as described.
S
Suzanne · August 21, 2026
Functional
These products are a great way to get into fermenting food. Easy to follow directions, and for good results.