Description: Material: This one-way wine brewing valve uses material, which is wear resistant and can be reused for a long time. Spare part: The plastic exhaust valve can be used as a replacing part to repair the old or broken accessory. Easy to use: This wine brew air lock is small in size and lightweight which you can brew wine easily. Wide usage: This portable brewing valve can help to release the air inside a brewing so that can help you brew wine. Fit occasions: The handmade brewing accessory can be used in many occasions such as household and professional factory. Specification: Material: Plastic. Color: White. Size: Approx. 11.5x3.9cm/4.52x3.9inch. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Valve. Material: This one-way wine brewing valve uses material, which is wear resistant and can be reused for a long time Spare part: The plastic exhaust valve can be used as a replacing part to repair the old or broken accessory Easy to use: This wine brew air lock is small in size and lightweight which you can brew wine easily Wide usage: This portable brewing valve can help to release the air inside a brewing so that can help you brew wine Fit occasions: The handmade brewing accessory can be used in many occasions such as household and professional factory