Specification Brand : Evergreen Scientific BulletPoint1 : Over fitting caps for use with sterile culture tubes are loose for aerobic culturing BulletPoint2 : Over fitting caps for use with sterile culture tubes are tight for anaerobic culturing and leak-proof sealing BulletPoint3 : Caps for culture tubes are gamma irradiated for sterility Color : White CustomerPackageType : Standard Packaging ItemName : Evergreen 300-2912-W20 White Polyethylene Cap, Stopper, 12 mm (Pack of 1000) ItemPackageDimensions_Height : 40.6 centimeters ItemPackageDimensions_Length : 22.9 centimeters ItemPackageDimensions_Width : 25.4 centimeters ItemPackageQuantity : 1 ItemShape : Cone ItemTypeKeyword : science-lab-glassware-labware-caps Manufacturer : Thomas Scientific Material : Phenolic ModelNumber : 300-2912-W20 NumberOfItems : 1000 PartNumber : 300-2912-W20 ProductSiteLaunchDate : 2008-04-01T09:30:01.0Z UnitCount : 1000 UnspscCode : 41000000