---
product_id: 254921370
title: "Mudder 50 Packs Airlock Grommet, Fermenter Lid Grommet, Silicone Grommets for Mason Jars, Straws, Airlock, Beer, Wine, Plastic Bucket Fermenter Lids, 5/8\" Outer Diameter and 3/8\" Inner Diameter"
brand: "mudder"
price: "€ 27.70"
currency: EUR
in_stock: true
reviews_count: 5
category: "Mudder"
url: https://www.desertcart.it/products/254921370-mudder-50-packs-airlock-grommet-fermenter-lid-grommet-silicone-grommets
store_origin: IT
region: Italy
---

# Precise 5/8" OD & 3/8" ID Hermetic airtight seal Durable silicone & PBA Mudder 50 Packs Airlock Grommet, Fermenter Lid Grommet, Silicone Grommets for Mason Jars, Straws, Airlock, Beer, Wine, Plastic Bucket Fermenter Lids, 5/8" Outer Diameter and 3/8" Inner Diameter

**Brand:** mudder
**Price:** € 27.70
**Availability:** ✅ In Stock

## Summary

> 🍺 Seal your brew, join the fermentation revolution!

## Quick Answers

- **What is this?** Mudder 50 Packs Airlock Grommet, Fermenter Lid Grommet, Silicone Grommets for Mason Jars, Straws, Airlock, Beer, Wine, Plastic Bucket Fermenter Lids, 5/8" Outer Diameter and 3/8" Inner Diameter by mudder
- **How much does it cost?** € 27.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/254921370-mudder-50-packs-airlock-grommet-fermenter-lid-grommet-silicone-grommets)

## Best For

- mudder enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack, Endless Creativity:** 50-pack supply empowers you to convert multiple mason jars or buckets into professional-grade fermenters.
- • **Perfect Fit, Effortless Install:** Precisely sized 5/8" outer and 3/8" inner diameter grommets fit most airlocks and fermenter lids with ease.
- • **Versatile Fermentation Essential:** Compatible with airlocks, straws, and plastic lids—ideal for beer, wine, kombucha, and more.
- • **Built to Last, Brew to Perfection:** Crafted from high-temp resistant silicone and PBA for long-term durability in every fermentation cycle.
- • **Seal the Flavor, Lock the Freshness:** Hermetic sealing technology keeps oxygen out, preserving your brew’s enzymes and taste longer.

## Overview

The Mudder 50 Packs Airlock Grommet set features durable silicone and PBA construction with a precise 5/8" outer and 3/8" inner diameter, ensuring airtight hermetic sealing for extended fermentation. Designed for easy installation on mason jars, plastic buckets, and lids, this bulk pack of 50 grommets supports versatile home brewing and fermenting needs, keeping oxygen out to preserve flavor and enzyme activity.

## Description

50 Packs airlock grommet, fermenter lid grommet, silicone grommets for mason jars, straws, airlock, beer, wine, plastic bucket fermenter lids, 5/8 inch outer diameter and 3/8 inch inner diameter Features： Made of durable and long lasting silicone, the airlock grommet with good hermetical sealing performance fits most airlock and you can use the airlock grommet to turn mason jars into drinking bottles. Various application: This airlock grommet fits well with most types of airlocks and plastic buckets lids and straws. It is much convenient for you to make your own airlock lids for fermenting with our useful product. Easy installation into a bucket lid and provides a good sealing. Specification: Material: PBA plastic Color: black Size: 5/8 inches outer diameter, 3/8 inches inner diameter Package including: 50 x Silicone airlock grommets

Review: Easy to handle, does the job well.
Review: used to put straws in our mason jars for kids to drink with lids.

## Features

- Quality materials: our arilock grommet is made of durable silicone and PBA which is durable and resistant to high temperatures for long-term use
- Good performance: this fermenter lid grommet is easy to install into the lid and hermetically sealed to protect food from oxygen; You can use this amazing product with airlocks to keep the fermentation for a longer period of time
- Hermetic sealing: this silicone grommet is well combined with the airlock and has a good hermetic seal to prevent oxygen from entering the fermenter; This helps to keep the enzyme fermented for a long time
- Quantity and size: you will get 50 arilock grommet with an outer diameter of 5/8 inches and an inner diameter of 3/8 inches; You need to drill a 5/8 inches hole in the fermenter lid; Then the airlock grommet is very easy to insert cover hole
- Wide use: this airlock gasket is suitable for any type of airlock and plastic lid and straw; Use these silicone gaskets to convert Mason jars into airlock fermentation vessels

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07WNHS4TP |
| Batteries required | No |
| Best Sellers Rank | #337,342 in Kitchen ( See Top 100 in Kitchen ) #692 in Canning Lids |
| Customer Reviews | 4.4 4.4 out of 5 stars (454) |
| Date First Available | 23 August 2019 |
| Dishwasher safe? | Yes |
| Item Weight | 45 g |
| Manufacturer reference | Pavlysh |
| Number of pieces | 50 |
| Product Dimensions | 1.6 x 1.6 x 0.8 cm; 45.36 g |

## Product Details

- **Brand:** Mudder
- **Colour:** Black
- **Item weight:** 0.1 Pounds
- **Material:** Plastic
- **Style:** Compact

## Images

![Mudder 50 Packs Airlock Grommet, Fermenter Lid Grommet, Silicone Grommets for Mason Jars, Straws, Airlock, Beer, Wine, Plastic Bucket Fermenter Lids, 5/8" Outer Diameter and 3/8" Inner Diameter - Image 1](https://m.media-amazon.com/images/I/7130fKttKAL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***N on 21 March 2021*

Easy to handle, does the job well.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 30 September 2025*

used to put straws in our mason jars for kids to drink with lids.

### ⭐⭐⭐⭐⭐ Review
*by W***E on 2 January 2026*

Fits my fermentation vessels perfectly

## Frequently Bought Together

- Mudder 50 Packs Airlock Grommet, Fermenter Lid Grommet, Silicone Grommets for Mason Jars, Straws, Airlock, Beer, Wine, Plastic Bucket Fermenter Lids, 5/8" Outer Diameter and 3/8" Inner Diameter
- Vintage Shop pc1 S-Shaped Airlock (Pack of 10), Clear

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-30*