---
product_id: 57187364
title: "Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack"
brand: "fermentology"
price: "€ 47.87"
currency: EUR
in_stock: true
reviews_count: 13
category: "Fermentology"
url: https://www.desertcart.ie/products/57187364-sauer-system-fermentation-airlocks-lids-grommets-gaskets-stoppers-for-wide
store_origin: IE
region: Ireland
---

# Fits all wide mouth Mason jars Automatic degassing airlock BPA & phthalate-free safety Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack

**Brand:** fermentology
**Price:** € 47.87
**Availability:** ✅ In Stock

## Summary

> 🥒 Unlock the Power of Probiotics with Zero Fuss!

## Quick Answers

- **What is this?** Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack by fermentology
- **How much does it cost?** € 47.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/57187364-sauer-system-fermentation-airlocks-lids-grommets-gaskets-stoppers-for-wide)

## Best For

- fermentology enthusiasts

## Why This Product

- Trusted fermentology brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Multi-Jar Magic:** Compatible with all wide mouth Mason jars, from pints to gallons—ferment up to 4 batches simultaneously.
- • **Safe & Sustainable:** Crafted from BPA-free, phthalate-free materials for clean, toxin-free probiotic foods.
- • **Dual-Purpose Design:** Silicone stoppers convert airlock lids into airtight storage lids—fridge-ready ferments without extra containers.
- • **Dishwasher & Microwave Friendly:** Easy to clean and versatile for modern kitchen workflows—hassle-free maintenance.
- • **Effortless Fermentation Mastery:** Automatic water-barrier airlock creates perfect anaerobic conditions—no babysitting required.

## Overview

The Sauer System Fermentation Airlocks 4-pack transforms your wide mouth Mason jars into smart fermenters with an automatic degassing water barrier, ensuring perfect anaerobic conditions for kimchi, sauerkraut, pickles, and more. Made from BPA- and phthalate-free materials, these lids double as airtight storage solutions and fit all standard wide mouth jars, supporting up to 4 simultaneous ferments. Dishwasher safe and microwaveable, they bring professional-grade fermentation to your countertop with effortless reliability.

## Description

Free delivery and returns on eligible orders. Buy Fermentology Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack at desertcart UK.

Review: 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 - desertcart 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.
Review: do what they are meant to - good fit in my fermentation system do their job well.

## Features

- FERMENT VEGGIES AND MORE – This Mason fermenter system can be used for fermenting kimchi, pickles, sauerkraut and other nourished food and drinks in glass Mason jars
- EASY, RELIABLE SYSTEM – The Sauer System uses a water barrier hosted in an inner airlock chamber to effectively burp lacto ferments through an automatic degassing process that creates an anaerobic environment. You don’t have to monitor ferments!
- INCLUDES AIRTIGHT STORAGE LIDS – The silicone stopper turns the airlock lid into a Tough Top Mason jar lid for storing ferments in the fridge. Lids and all components of the Sauer System are made of BPA-free and phthalate-free plastic and silicone.
- MAKE PROBIOTIC FOODS AT HOME – Kraut and other fermented veggies are loaded with natural, healing probiotics. Fermented vegetables are tangy, sour and good for your gut. All you need is salt and any vegetable!
- DESIGNED FOR ANY WIDE MOUTH MASON JAR – Make up to 4 ferments at once in wide mouth glass Mason jars, including Ball, Masontops, Bernardin, Kerr and more, in any volume of jar (small or large volumes), including quarts, pints and gallons.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01H7G1NF0 |
| Best Sellers Rank | 921,577 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 84 in Fermentation Airlocks |
| Brand | Fermentology |
| Closure Type | Twist Lock |
| Colour | Stone |
| Container Shape | Round |
| Country of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,622) |
| Is the item dishwasher safe? | Yes |
| Is the item microwaveable? | Yes |
| Item Form | Mason jar |
| Item Package Quantity | 1 |
| Item Weight | 0.62 Pounds |
| Manufacturer | Fermentology |
| Material | Plastic |
| Material Features | 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. |
| Size | Wide Mouth 4PK |
| UPC | 829188000233 |
| Unit Count | 4 Count |

## Product Details

- **Brand:** Fermentology
- **Colour:** Stone
- **Material:** Plastic
- **Material feature:** BPA-free, phthalate-free
- **Special feature:** Automatic Degassing

## Images

![Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack - Image 1](https://m.media-amazon.com/images/I/71-retYt2xL.jpg)
![Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack - Image 2](https://m.media-amazon.com/images/I/713-ohbM+UL.jpg)
![Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack - Image 3](https://m.media-amazon.com/images/I/71rfk9p-kWL.jpg)
![Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack - Image 4](https://m.media-amazon.com/images/I/71zc+LkE1TL.jpg)
![Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack - Image 5](https://m.media-amazon.com/images/I/71JlIEh+yuS.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: How wide are the lids in centimetres?**
A: 7cm internal dia

**Q: Do these fit the standard UK kilner jars? The ones for jam / canning wirh the 2 piece lids that come in 1 litre and half litre sizes?**
A: No

**Q: Has anyone tried washing the lids not airlock in the dishwasher?**
A: Yes no problem on daily wash

**Q: I’m looking for lids for the regular mouth. Where can I find these? Thanks**
A: You can find them on Amazon

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great System
*by M***D on 14 October 2022*

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.

### ⭐⭐⭐⭐⭐ do what they are meant to
*by L***F on 19 February 2022*

good fit in my fermentation system do their job well.

### ⭐⭐⭐⭐⭐ Fermentation lids with air locks
*by A***B on 16 September 2020*

The lids were delivered in a timely fashion, they are a wide mouth lid that 4 lid top, 4 air locks and 4 stoppers.

## Frequently Bought Together

- Fermentology Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Regular Mouth Mason Jars – 4 Pack
- Masontops Pickle Pebble Glass Infinity Weights for Fermenting - Pickling Weight Set - Small/Regular Mouth Mason Jar Fermentation
- Masontops Pickle Packer - Acacia Wood Vegetable Fermentation Tamper - Cabbage Sauerkraut Pounder - Fermenting Food Tool

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-30*