["Features：\nUsage: It can emit carbon dioxide for honey, white wine, milk wine alcohol fermentation and can prevent oxidation.\nEasy to use: Easy operation, simply fill water into the exhaust for valve, insert it to the cover of the brew barrel or plug on the top of the fermentation container and then cover it with the lid.\nUsage: Effectively prevents flies flying into the wine/beer with a cover included.\nReusable: All of the fermentation process is automatic fermentation without manual control and can be repeatedly used for a long for time.\nWide use: Suitable for pure juice fermentation, such as white grapes, honey wine fermentation, red wine secondary fermentation and more.\n \nSpecification：\nMaterial: Plastic\nSize: approx.17cm/6.69in\nColor: Clear+Black\nQuantity: 1Pc\n\nNote：\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Contents：\n1xWine Brew Airlock (other accessories demo in the picture is not included.)"]