Specification Brand : PROGLASS BulletPoint : FLASK FB 1N 250ML 45/50 BulletPoint1 : Customized would be availible BulletPoint2 : Made by hand blowing BulletPoint3 : Made of borosilicate glass Capacity : 1000 milliliters Color : Clear ExternallyAssignedProductIdentifier1 : 0796358945147 ExternallyAssignedProductIdentifier2 : 796358945147 ItemName : Proglass Glass one Neck Cap fit with The Separate Flask 1000mL ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-boiling-flasks Manufacturer : PROGLASS Material : Glass ModelNumber : 601500-0545 NumberOfItems : 1 PartNumber : 1000mL 1 neck cap ProductDescription : 1.One neck cap with flange,main taper joint is 24/40. 2.Fit with the 1000mL separately flask. 3.Any size or joint cusomized would be availible. ProductSiteLaunchDate : 2017-09-02T07:00:00.000Z SpecificationMet : Astm SpecificationMet1 : ASTM E438 SpecificationMet2 : ASTM