Product Description Features: brand new and high quality. CONVENIENT AND SAFE: The 3-piece airlocks for Fermentation are made of PP plastic that are BPA free. And the grommet is made of silicone. It enables you to keep your foods super healthy and probiotic. CLEAR, STURDY AND LONG-LASTING: Each airlock is made of crystal-clear, strong plastic and assembled with a foam insert to prevent damage during transport VERSATILE: Airlocks for many varieties of fermentation projects. Here's a short list: Brewing craft beers, Wine-making, Sauerkraut, Kimchi, Hard cider, Fruit wine, Rice wine, Spicy cabbage with cauliflour, Shredded carrots and ginger, Pickles GREAT USE AND EASY CLEANING: Drill a 1/2" hole on your fermenter lid. Then insert the black grommet into the lid hole. Place the tapered tip of the airlock into the grommet hole to seal up the bottle. The airlock kit allows gas bubbles to escape during the fermentation while preventing oxygen from ruining your fermentation and beer brewing. The 3-piece airlock can be disassembled, and cleaned completely by a small brush. You can soak in bleach water to disinfect the airlock kit. Specifications: Fitting: Drill a 12mm or 1/2" hole to fit the grommet. Height: 118mm (approx) Colour: black Material: PP Package Contents: 2 x 3 Pieces air lock with Grommet Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Payment Payment must be completed within 5 days. If you have any problems about payment, please contact us via Delivery details We only ship to confirmed Order addresses. Please comfirm that your Order address is in line with your shipping address. Please kindly note that the c ombined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. It takes about 7 -15 working days to US; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection . If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance. Contact us We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, p lease feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.