6Pcs Mushroom Cultivation Jar Lid With 0 22Um Air Filter Rubber Sealing Plug For Mushroom Growing Household Culture Application

Features: 1. Material: Made of high-quality plastic, acid and corrosion resistant, ensuring food safety for all your fermentation projects. 2. Automatic One-Way Exhaust: Equipped with a 0.22μm filtered exhaust valve, it automatically removes carbon dioxide produced during fermentation while preventing external air, dust, and harmful bacteria from entering the container, effectively improving fermentation success rate. 3. Anti-Slip and Easy-Operate Design: Provides sufficient friction even with wet or oily hands, allowing you to easily tighten and loosen the lid without slipping. 4. Dual-Function Sealing Plug: After fermentation, you can plug the vents, turning the fermentation lid into a regular airtight sealing lid, extending the shelf life of fermented foods. 5. Durable and Reusable: High-temperature resistant, not easily deformed, dishwasher safe, and reusable for extended periods without damage, helping you reduce the cost of disposable fermentation supplies. Specifications: Material: plastic Size: As shown in the picture Color: As shown in the picture Quantity : 6Pcs/set Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.