Features: * Wine Exhaust Valve: This plastic-covered valve is designed for wine, beer, and fermentation processes. It prevents oxidation by emitting carbon dioxide generated during alcohol fermentation. It can be reused for a long time and requires no manual control during the fermentation process. * Easy to use: Simply inject water into the exhaust valve, insert it into the lid of the brewing bucket or fermentation container, and cover it with the lid. * Versatile application: Suitable for various fermentation processes such as wine, white wine, beer, red wine, honey, and juice. * Brewing siphon hose: Equipped with a detachable and reusable filter made of ultra-fine food-grade stainless steel mesh, it can be used for filtering residues. Widely used for transferring water, bottling enzymes, and separating juice in wine brewing. * Package includes: Two wine airlocks. Specifications: Part Name:Brewing Siphon Hose Material:plstic Size:Length 17cm, width 5cm, lower mouth diameter 10mm Color:white Package Content: 2PCS Exhaust Valve 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. Made of standard material, quality assurance and practicality. Perfect function, bring you a wonderful experience. Every customer is entitled to a 30-day refund or replacement for damage/quality issues. If you have any questions, please feel free to contact us and we will solve it for you. 2Pcs Plastic Covered Valve Red Wine Wine Beer Fermentation Exhaust Valve