Best Cork Fermentation Airlocks of 2025

The DIAH Fermentation Airlocks are essential for anyone looking to brew their own beer, wine, or cider at home. This set includes six fermentation airlocks and six bored bungs, designed to fit a variety of glass demijohns. The airlocks allow carbon dioxide to escape while preventing outside air from contaminating your brew, ensuring a clean fermentation process. The attached rubber bungs are safe and versatile, making them suitable for different fermentation vessels. With this product, you can enjoy a hassle-free brewing experience.

The DIAH Fermentation Airlock is perfect for home-brewing beer, wine, and cider. With its six bubble chambers, it ensures proper fermentation by allowing gases to escape while preventing contamination. This environmentally friendly product is made from non-toxic materials, offering peace of mind as you create your beverages. Additionally, being made in Italy, it reflects quality craftsmanship. Using this airlock set will enhance your brewing experience, making it easier and safer to produce your favourite drinks at home.

The Almost Off Grid Fermentation Set includes a fermentation airlock and a bored cork bung, designed to allow CO² to escape while preventing any contamination. This feature is essential for maintaining the quality of your fermentation process. The standard size airlock fits all fermenters, ensuring versatility for your brewing needs. Additionally, the bung fits standard glass demijohns perfectly, providing a secure seal. With this set, you can enjoy peace of mind knowing your fermentation is well-protected and efficient.

The Betterbrew Airlock Set includes three demijohn rubber bungs and a six-chamber bubbler airlock, perfect for your brewing needs. By simply adding a bit of water to the airlock, you can easily monitor the fermentation process. The dimensions of the bungs ensure a snug fit, with the top measuring 31mm and the base 26mm. Made from clear plastic, the bubbler airlock allows you to observe bubbles as a sign of active fermentation, providing reassurance that your beverage is on the right track.

The Almost Off Grid Airlocks are essential for anyone engaged in homebrewing, winemaking, or cider making. Each airlock is made from durable, clear plastic, ensuring you can monitor your fermentation process easily. The included cork bungs come with a bored hole, allowing you to effortlessly fit the airlocks. These standard-sized, reusable components provide convenience and reliability, making them ideal for various fermentation projects. With this product, you can enjoy a hassle-free brewing experience.

The Fermentation Airlocks & Bungs set includes two standard-sized airlocks and bored cork demijohn bungs. These airlocks ensure that carbon dioxide can escape during fermentation while preventing any contamination from entering, which is essential for maintaining the quality of your brew. The bungs are designed to fit standard glass demijohns, making them versatile for various fermentation projects. With a convenient size, you can easily integrate them into your existing equipment for a seamless brewing experience.

The Almost Off Grid Airlocks come with four durable, clear plastic airlocks that are ideal for controlling fermentation. Each airlock includes a dust cap, ensuring cleanliness during the brewing process. Alongside these, you receive four bored cork bungs that fit perfectly with the airlocks, making setup straightforward. The standard size of both the airlocks and bungs allows for reusability, giving you a cost-effective solution for your homebrewing, winemaking, or cider-making needs.

The Almost Off Grid Airlocks come with 10 durable plastic bubbler airlocks and 10 bored cork bungs, designed for easy fitting. The clear construction allows you to monitor the fermentation process without hassle. Each bung has a hole to securely hold the airlock, ensuring a tight seal. You will appreciate their standard size, making them reusable for various homebrewing projects like winemaking, beer making, and cider making. This combination provides a convenient solution for all your fermentation needs.

The AlcoFermBrew Rubber Bung is designed for fermentation, featuring a rubber bung and an airlock for optimal gas release during brewing. The bung has a top diameter of 43mm and a bottom diameter of 40mm, ensuring a snug fit for your demijohn or carboy. Its height of 30mm makes it easy to handle, while the hole diameter of 7-9mm allows for airlock attachment, preventing contamination. This product offers convenience and peace of mind as you ferment your beverages.