Specification Brand : Fermentaholics BulletPoint : Height 5 3/8". Outer diameter 2 7/8". Stem outer diameter 23/32". Stem inner diameter 9/16". BulletPoint1 : READY TO FERMENT: You will receive 4 S-Shaped Airlocks and 8 Black Rubber Grommets. BulletPoint2 : TURN CONTAINERS INTO FERMENTERS: Whether you are brewing a homemade batch of IPA in a 5 gallon bucket, making a one gallon batch of hard kombucha, or making your famous crunchy sauerkraut, simply drill a hole in your lid and easily install the grommet and airlocks: you now have a perfect fermenting vessel for all your homemade creations! BulletPoint3 : ESSENTIAL FOR HOME FERMENTATIONS: When fermenting all your favorite food and drink, there is one rule that stays true: you need proper airflow. This is where the grommet and airlock comes in, just set it and forget it and let the airlock do the work, facilitating a healthy ferment and happy, healthy cultures. BulletPoint4 : MAKE YOUR FAVORITES: Once you have a container ready for your new airlock and grommet, all you’ll need are a few easy-to-find and cheap ingredients to begin making your own kimchi, pickles, wine, mead, ginger beer, kvass, cider, beer, and so much more! BulletPoint5 : PREMIUM MATERIALS: These airlocks and grommets are BPA fee and made from 100% food safe materials. The airlocks are easily washed and sanitized, and 8 grommets means an included back up for each one of your airlocks. Strong and durable, these airlocks with grommets will keep you brewing and fermenting for years to come. Color : White ExternallyAssignedProductIdentifier : 00850026602272 ExternallyAssignedProductIdentifier1 : 735533528041 ExternallyAssignedProductIdentifier2 : 696737750471 ExternallyAssignedProductIdentifier3 : 793842255669 ExternallyAssignedProductIdentifier4 : 0696737750471 ExternallyAssignedProductIdentifier5 : 0735533528041 ExternallyAssignedProductIdentifier6 : 0793842255669 ExternallyAssignedProductIdentifier7 : 00735533528041 GpsrSafetyAttestation : 1 ItemName : S-Shaped Airlocks With Grommets Set – 4 Airlocks And 8 Grommets – Home Fermentation Essential – Airlock For Homemade Wine, Beer, Cider, Kimchi, Sauerkraut – Preserving, Brewing, Fermenting ItemPackageDimensions_Height : 23.0886 centimeters ItemPackageDimensions_Length : 4.699 centimeters ItemPackageDimensions_Width : 14.4018 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : brewing-and-venting-airlocks Manufacturer : Speidel Material : Rubber ModelNumber : FE721 NumberOfItems : 1 PartNumber : FE781 ProductDescription : 4 s-shaped airlocks with 8 grommets ProductSiteLaunchDate : 2021-08-30T19:28:07.819Z StreetDate : 2017-07-29T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 46171500