Drain Trap Design : This Twin Bubble S-Type Airlock boasts a drain trap design, which facilitates efficient gases escape while preventing air ingress, ensuring a healthy fermentation environment. Food Grade Material : Made from safe and non-toxic plastic, this airlock adheres to food-grade standards, ideal for all your fermentation needs, from brewing to pickling. Good Airtightness : Featuring a dust cap that seals tightly, this airlock offers good airtightness, safeguarding your ferments from contaminants and ensuring they develop properly. Reliable Sealing : Designed to promote fermentation by providing a reliable seal that prevents oxidation, this airlock is your ally in achieving consistent and flavorful results. Wide Application : Suitable for various fermentation processes, including crafting beer, making wine, and preserving vegetables, this airlock is a versatile addition to your fermentation toolkit. Dive into the art of fermentation with our Twin Bubble S-Type Airlock. With its drain trap design and food-grade materials, this airlock ensures a safe and efficient fermentation experience. Ideal for a broad spectrum of projects, from crafting homemade brews to fermenting vegetables, our airlock's reliable sealing and airtight protection will have you enjoying rich flavors in no time.