Specification Brand : United Scientific BulletPoint1 : Capacity: 250mL BulletPoint2 : Graduation Range: 50-200mL BulletPoint3 : United Scientific are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations in durable white enamel BulletPoint4 : GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use BulletPoint5 : Fits stopper size 6.5, Dimensions: 3.5" Bottom Dia. x 1.5” Top Dia. x 5.5" Hgt., Thickness: 1.5mm to 2.5mm, Temperature range: -50°C to 500°C Capacity : 250 milliliters Color : Clear ExternallyAssignedProductIdentifier : 7635732298789 ExternallyAssignedProductIdentifier1 : 840287230734 ExternallyAssignedProductIdentifier2 : 0840287230734 IncludedComponents : 250mL Glass Flask ItemName : United Scientific™ FG4980-250EA, 250mL Borosilicate Glass Erlenmeyer Flask, 1 Each ItemPackageDimensions_Height : 8 inches ItemPackageDimensions_Length : 12 inches ItemPackageDimensions_Width : 8 inches ItemPackageQuantity : 1 ItemTypeKeyword : erlenmeyer-flasks Manufacturer : United Scientific Material : Borosilicate Glass ModelName : Wingxaoyy ModelNumber : Wingxaoyy NumberOfItems : 1 PackageLevel : unit PartNumber : FG4980-250EA ProductDescription : 3pcs Conical flask with narrow neck,Capacity 10ml,Erlenmeyer flask with normal mouth