Brew Check Valve, Water Sled Valve Airlock for Home Brew Wine Beer Fermentation Prevents Oxidation Automatic CO2 Relse with Cover

It can emit carbon dioxide for honey, white wine, milk wine alcohol fermentation and can prevent oxidation sy , simply fill water into the exhaust valve, insert it to the cover of the brew barrel or rubber plug on the top of the fermentation container and then cover it with the lid Effectively prevents flies flying into the wine/beer with a cover included Description: This item can emit carbon dioxide for honey, white wine, milk wine alcohol fermentation and can also prevent oxidation. It can effectively prevent flies flying into the wine/beer with a cover included. All of the fermentation process is automatic fermentation without manual control, very convenient. It is sy to operate, you simply need to fill water into the exhaust valve, insert it to the cover of the brew barrel or rubber plug on the top of the fermentation container and then cover it with the lid. Suitable for pure fermentation, such as white grapes, honey wine fermentation, red wine secondary fermentation, etc. Ftures: It can emit carbon dioxide for honey, white wine, milk wine alcohol fermentation and can prevent oxidation. sy , simply fill water into the exhaust valve, insert it to the cover of the brew barrel or rubber plug on the top of the fermentation container and then cover it with the lid. Effectively prevents flies flying into the wine/beer with a cover included. All of the fermentation process is automatic fermentation without manual control and can be reptedly used for a time. Suitable for pure fermentation, such as white grapes, honey wine fermentation, red wine secondary fermentation, etc. Specification: Condition: 100 Brand New  Material: Plastic Color: Transparent as picture Sub-Type: Airlocks Product Length: Approx. 17cm / 6.7inch Product Width: Approx. 1cm / 0.4inch Product Weight: Approx. 18g Package Included: 1 x Brew Check Valve