Specification Brand : Liquid Fungi BulletPoint1 : fit's a 1/2 inch hole perfectly BulletPoint2 : autoclave and pressure cooker safe BulletPoint3 : industrial grade thick red rubber BulletPoint4 : lasts through repeated use BulletPoint5 : Generic Brand Color : Red ContainsLiquidContents : 1 ExpectedBloomingPeriod : Fall to Winter ExternallyAssignedProductIdentifier1 : 0310003800966 ExternallyAssignedProductIdentifier2 : 310003800966 IndoorOutdoorUsage : indoor ItemForm : Liquid ItemName : Red Heavy Duty Self Healing Injection Ports (50) ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 9 inches ItemPackageDimensions_Width : 6 inches ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-autoclave-accessories ItemVolume : 16 fluid_ounces Manufacturer : Liquid Fungi Material : HEPA ModelNumber : 43234-1480 NumberOfItems : 1 PartNumber : 002-0396-01 PlantOrAnimalProductType : Vegetable ProductDescription : Heavy duty self healing injection ports made from high grade red rubber. They are large and extra thick autoclavable rubber stoppers, which last ten times as long as any other we have used. They stand up remarkably to repeated sterilization runs in the autoclave or pressure cooker. Use a 1/2 inch drill bit to make holes for these. ProductSiteLaunchDate : 2014-03-31T15:38:45.436Z Size : 1 Count (Pack of 1) SunlightExposure : Low Light SupplierDeclaredDgHzRegulation : unknown UnitCount : 50