- Made from ASTM E-438 Type 1, Boro 3.3 heat resistance glass
- Complies with ISO 1773
- With beaded rim
* Non DIN
* Non DIN
* Non DIN
* Non DIN
 * 3000 ml not covered in standard
* Non DIN
PS:Â These flasks can also be provided in other joint sizes* Non DIN
PS: These flasks can also be provided in other joint sizes