20 Packs Airlock Grommet, Fermenter Lid Grommet Silicone

20 Packs Airlock Grommet, Fermenter Lid Grommet Silicone

• 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