This quality round bottom boiling flask is made from borosilicate glass, and is heat resistant. It has a narrow mouth, a 24/40 ground glass top joint, thick walls, and a capacity of 250ml.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.