Specification Brand : PROGLASS BulletPoint1 : Customized would be availible BulletPoint2 : Annealed at 800 degree Celsius BulletPoint3 : Made of borosilicate glass 3.3 BulletPoint4 : Made by hand blowing Capacity : 3000 milliliters CareInstructions : Hand Wash Only Color : Clear ExternallyAssignedProductIdentifier1 : 0764256296906 ExternallyAssignedProductIdentifier2 : 764256296906 FinishType : Glass ItemName : PROGLASS Laboratory Separately Reactor Cylinder Flask with Flange (3000mL) ItemTypeKeyword : science-lab-boiling-flasks Manufacturer : PROGLASS Material : Glass NumberOfItems : 1 PartNumber : 1267-1000-00 ProductDescription : Description: 1. Big mouth ,easily to clean and put or pick the material from the flask.Diameter of the flange is 150mm,inner Diameter of the mouth is 100mm,could be easily to do the clean for the inner of the Flask.the Joint of the flange has been grinded,could be do the seal very weel with the cap.The outer diameter of the flask as below VolumeOuter Diameter (mm) 1000mL 130 2000mL 166 3000mL 195 5000mL 230 10000mL 290 20000mL 355 30000mL 420 50000mL 470 2.Joint could be customized accord to the customer's request,Diameter for the flange is 150mm.the joint of the Flange has been grinded. the joint of the neck could be customized for any size as your request. Be Made From G3.3 Borosilicate Glass Annealing Point ------560℃ Linear Coefficient of Expansion------ 32×10-7/℃ Softening Point------820℃ ProductSiteLaunchDate : 2017-09-02T14:00:00.000Z RecommendedUsesForProduct : Cooking Size : 3000mL UnitCount : 1