CAREOPETA Airlock for Wine Fermentation Airlock Bubble S-Shape Airlock (3pc) Wine Making Kit

Airlock Color: white with red cap. Clear, transparent plastic standard traditional fermentation airlock that gives you a clear look inside, so you can watch the airlock do the hard work for you. For secondary fermentation of home brewed beer, wine, cider, juice, and more; Can be used for long-term repeated use on ferments typically up to 20 gallons. Easy to operate, you simply need to fill water in the exhaust valve, insert it into the cover of the beer keg or the rubber stopper on top of the fermentation container.