Fastrack Twin Bubble Airlock for Fermentation | Hydrolocks for Fermenting Wine and Beer Making | BPA-Free Cylinder Airlock Used for Brewing Wine, Beer, Pickles & More | Transparent Airlock Set of 2

These worked great during a recent 5 gallon wine fermentation. The bungs sealed tightly in my glass carboy and I didn’t notice any leaks or pressure issues. The twin bubble design made it easy to keep an eye on fermentation activity, especially during the first few days. They also cleaned up easily afterward which is always a plus with brewing equipment. Simple product, but dependable.

These are actually great quality for the price. The rubber stoppers are good quality rubber and the plastic is decent quality as well. They work perfectly as advertised. I recommend for anyone interested in buying to check rubber stopper measurements and the measurements of the hole on your jug or carbon to make sure you buy the right size. Would recommend to others and buy again in the future.

Quality is good

A good product delivered on time.

Cumplen su funcion muy bien, el sello está un poco más rígido de lo esperado pero funciona perfecto