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🥒 Unlock the art of effortless, probiotic-rich fermentation—your kitchen’s new cult favorite!
The Sauer System Fermentation Airlocks 4-pack is a premium, BPA-free fermentation kit designed for wide mouth Mason jars. Featuring an automatic water barrier airlock for hassle-free degassing, airtight silicone lids for storage, and compatibility with popular jar brands, it empowers home fermenters to create probiotic-rich veggies like sauerkraut and kimchi with ease. Dishwasher safe and reusable, this system transforms your kitchen into a trendy fermentation hub while saving space and time.









| ASIN | B01H7G1NF0 |
| Best Sellers Rank | 1,187,570 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 125 in Fermentation Airlocks |
| Brand | Fermentology |
| Closure Type | Twist Lock |
| Colour | Stone |
| Container Shape | Round |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 1,635 Reviews |
| Food Storage Container Airtightness | Airtight |
| Is the item dishwasher safe? | Yes |
| Is the item microwaveable? | Yes |
| Item Form | Mason jar |
| Item Package Quantity | 1 |
| Item Weight | 281 g |
| Manufacturer | Fermentology |
| Material | Plastic |
| Material Features | BPA-free, phthalate-free |
| Material feature | BPA-free, phthalate-free |
| Other Special Features of the Product | Automatic Degassing |
| Product Care Instructions | Hand wash or use dishwasher. Reuse for long-term storage. |
| Recommended Uses For Product | Fermented foods, Long-term storage |
| Recommended uses for product | Fermented foods, Long-term storage |
| Size | Wide Mouth 4PK |
| Special feature | Automatic Degassing |
| UPC | 829188000233 |
| Unit Count | 4 Count |
M**D
Great System
This is a very good system for fermenting small batches imo, especially if one is into canning too, because jars become multi-purpose. I have five on the go currently, and I will be adding today's picked gherkins, and would have more fermenting if it wasn't for one major issue - Amazon Prime are now using Evri and our last few orders of this product have disappeared/been returned. Anyway, rant over. The lids are solid and easy to clean and beat any other small-batch system that I have used by a country mile. For large batches I use traditional crocks, but wouldn't hesitate to use these if I had suitable >2litre jars. Their glass weights are good too.
L**F
do what they are meant to
good fit in my fermentation system do their job well.
A**B
Fermentation lids with air locks
The lids were delivered in a timely fashion, they are a wide mouth lid that 4 lid top, 4 air locks and 4 stoppers.
S**M
Nice Bit of Equipment
So much better than the silicone nipple style ones you can get on the cheap on Amazon. I'd much prefer the glass varieties but as a test run I got these and they haven't disappointed. Construct them, prepare your ferment, stick these in then forget about it for 6 weeks!
K**H
Well designed
Easy to use and keep an eye on
I**N
Awesome
Takes the hassle out of burping active ferments
N**S
Five Stars
excellent product if you ferment vegetables etc
A**R
Not compatible with Kilner jars
Nothing to tell you in the description if they’re suitable with the most generic mason jar on the market.
L**O
Non è ermetico
I tappi in dotazione sigillano male..fidatevi ho provato una decina di barattoli e una volta avvitati vengono via solo tirando senza svitare..
H**R
High quality, easy to use, with sturdy lids
Very high quality and easy to use. The lids are actually made by Masontops.
E**E
Fits and works well due to different options for hose sizes
Good fit on a 20ltr glas bottle
B**N
kaliteli
kargo çok hızlı ve ürün başarılı
B**E
Bits missing
Only received three of the four lids. The rest of the order was okay
Trustpilot
1 month ago
5 days ago