Silicone Beverage Bottle Stopper Airlock Plug for Test Tubes

Package List 3 x Valves 3 x Silicone Plugs Features -Size:12.00X3.80X3.80cm/4.72X1.49X1.49in(valve) -Color:Transparent -Product Info:Fermentation gas valve -Size:2.80X2.50X1.90cm/1.10X0.98X0.75in(silicone plug) -Material:Silicone, plastic - These silicone stoppers are using a simple shape design, easy to insert and -way vent valve. - Used to preserve finished , wine, sauerkraut, sauerkraut, hard wine, etc silicone bottle plug - Designed to keep air out of the bottle, slow the rate of oxidation and keep the wine fresh brewing accessory. - Smooth and , these stoppers will not do damage to the bottle or test tube one-way brewing valve. - Multi-functional and versatile, can be used for professional and personal use brewing equipment valves.Goods Descriptionbrewing equipment valves These wine check valves designed to prevent back-flush in the chamber, also for secondary of home-brewed , wine, cider, juice, and more.fermentation silicone plug Made of silicone and plastic material for and use, safe, easy to operate and easy to maintain

• One-way brewing valve--suitable for juice , such as white grapes, secondary of red wine, etc,silicone bottle plug
• Brewing accessory--designed to keep air out of the bottle, slow the rate of oxidation and keep the wine fresh,winemaking supplies
• Brewing supplies--it can prevent to the wine and , with a silicone plug included,fermentation silicone plug
• Brewing silicone plug--smooth and , these stoppers will not do damage to the bottle or test tube,brewing equipment valves
• Fermentation silicone plug--used to preserve finished , wine, sauerkraut, sauerkraut, hard wine, etc,one-way vent valve