These graduated Erlenmeyer Flasks have a 24/40 ground glass joint. They have a capacity of 250ml and are made of quality borosilicate glass.
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.