20 Packs Airlock Grommet, Fermenter Lid Grommet Silicone

Good performance: The small silicone grommets are designed with excellent sealing performance and are suitable for most airtight chambers to achieve Isolation of food and oxygen, so prolong fermentation time. Features: The fermenter grommets are great for airlocks, plastic buckets lids and straws, adopting quality silicone material, safe and durable to use. Easy installation provides great convenience for you to use. Specification: Material: silicone Color: black Size: Outer diameter: 5/ 8 inches Inner diameter: 3/ 8 inches Package includes: 20 x Silicone airlock grommets

• Quality materials: the arilock grommet is made of quality and thick silicone, PBA-free, sturdy and durable, not easy to get broken, ensure a long service life
• Good sealing: this silicone grommet is widely applied in combination with an airlock to form a hermetic seal that protects food from oxygen and extends fermentation time
• Package quantity: you will get 20 packs of silicone airlock grommet, adequate quantity to meet your daily use, and the grommet can be easily inserted in lid hole
• Dimensions: the outer diameter of the bucket grommet is approx. 5/ 8 inch and inner diameter is 3/ 8 inch, you will need to drill a 5/ 8 inch hole in the fermenter lid; Please check the size before purchase to avoid improper size
• Versatile fermenter grommets: these fermentor grommets are applicable for airlocks, plastic covers and straws; It's very convenient for you to use these silicone grommets to convert glass bottles into airtight fermenters