250 ml Glass Flat Bottom Flask Made in China with Best Quality

• 250mL, long-necked, flat-bottom boiling flask for heating or boiling liquids
• Accepts #5 stopper (sold separately) and has a tooled mouth for a smooth stopper fit
• Chinese Non-brand borosilicate glass for clarity, strength, and resistance to heat and chemicals
• The normal working temperature is 230 degrees Centigrade
• Approximate dimensions are 134mm height, 82mm outside diameter (OD)