Fermentation Lid Cover with One-way Exhaust Valves Fermenting Lids Kit Kitchen

Features: With one-way exhaust valves, automatic venting to prevent air from entering the bottle to ensure that the will not become affected by and dust.
don'for t need to open the fermentation lid every day, just release the positive pressure and maintain the water level.
It is suitable for any wide-mouth mason jar with a diameter of 3.4 inches, or other jars with a diameter of 3.4 inches.
Perfect for DIY making kimchi, fruit wine, sauerkraut, kimchi, pickles etc.
Easy to clean, the plastic cover can be cleaned in the dishwasher.

Specifications: Material: Plastic
Diameter: approx.86mm/3.4in
Optional Colors: Red, Blue, Hot Pink, Green, White, Lake Green, Gray
Quantity: 1 Set

Package Includes: 1 x Fermentation Lid
1 x Exhaust Valves
(other accessories demo in the picture is not included.)

note: Please allow 1-2cm errors due to manual measurement, make sure that do not mind before order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.