Specification Brand : North Mountain Supply BulletPoint1 : North Mountain Supply #5.5 Drilled Rubber Stopper - Set of 3 BulletPoint2 : Drilled to fit all standard size fermenting airlocks and provides an air-tight seal to smaller mouth Jugs - necessary for proper fermentation. BulletPoint3 : BPA free and made out of Food Grade materials. Maximum Temperature: 70°C (158°F). BulletPoint4 : Dimensions: 1 1/8" x 15/16" BulletPoint5 : To promote a positive and satisfying customer experience, this product is covered by North Mountain Supply's 30 day hassle-free replacement program, in the event the product is damaged or defective. ExternallyAssignedProductIdentifier : 6133044268694 ExternallyAssignedProductIdentifier1 : 0810045262314 ExternallyAssignedProductIdentifier2 : 810045262314 IncludedComponents : No ItemName : North Mountain Supply #5.5 Driller Rubber Stopper - Designed with Slip Resistance - Use with Airlocks for Fermentation - Pack of 3 ItemPackageDimensions_Height : 3 inches ItemPackageDimensions_Length : 6.5 inches ItemPackageDimensions_Width : 10 inches ItemPackageQuantity : 1 ItemTypeKeyword : pipe-fitting-protective-caps Manufacturer : North Mountain Supply ModelName : Generic95fxhok341 ModelNumber : Generic95fxhok341 NumberOfItems : 3 PackageLevel : unit PartNumber : NMS#5.5 Soild Bung - 3 PowerSourceType : ac/dc ProductDescription : 1. Suitable for drilling machines, milling machines, lathes, table drills and small machine tools, etc. 2. Strong clamping force, the clamping range is 1-16mm 3. Widely used in milling machines and other equipment 4. Made of high speed steel material, and long service life 5. Reasonable structure and , convenient to install