10 Pcs Jar Fermenter Gaskets Wine Beer Fermentation Airlock Lids O Ring Silicone Grommets for Sauerkraut Homebrewing Fermentor

10 Mason Jar Fermenter Gaskets Wine Beer Fermentation Airlock Lids O Ring Silicone Grommets for Sauerkraut Homebrewing FermentorSet Include: 10pcs/30pcs/50pcs/100pcsCondition: Brand NewMaterial: SiliconeColor: Black(as pictures show)Features:Silicone Grommets for Mason Jar Fermentation Airlock Lids.Made of thicker silicone, BPA free, durable and long lasting.The washer will help maintain the ferment for a longer period.An airlock can be inserted in the grommet, fits airlock perfectly.Work with the airlock, makes a perfect air-tight seal to keep bugs/bacteria/oxygen from getting in your fermenter.Size:External diameter: approx. 15mm/0.6". Internal diameter: approx. 8mm/0.3", Height: approx. 8mm/0.3"Friendly Tips: The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors.