- Practical and Safe: Our 3-piece airlocks for fermentation are crafted from food-safe PP plastic, ensuring the safety of your food while promoting probiotic health. The included silicone grommet adds extra comfort and ease of use. - Clear, Sturdy, and Durable: Each airlock features crystal clear plastic for visibility and is assembled with a foam insert for added protection during shipping. - Versatile Applications: Perfect for a wide range of fermentation projects, including beer brewing, winemaking, sauerkraut, kimchi, fruit wine, rice wine, and pickles. This airlock adapts to many needs, making it an essential tool for home brewers and fermenters. - Easy to Use and Clean: Simply drill a 1/2 inch hole in your fermentation lid, insert the black eyelet, and seal it with the tapered tip of the airlock. This design allows gas bubbles to escape while preventing oxygen from spoiling your brew. The airlock disassembles easily for thorough cleaning and can be soaked in bleach water for sanitation. - Specifications: Requires a 12mm hole for mounting. The airlock measures approximately 118mm in height and is composed of durable PP material in black. This product combines functionality, compatibility, and ease of maintenance, making it ideal for both novice and experienced fermenters.