Tips: If you receive Maccx products cracked during transit, please contact us for refund.

These narrow mouth glass Erlenmeyer flasks from Maccx are made of 3.3 Borosilicate material which is the highest level of inert glass available. 

Heavy-Duty, with rim, spout and large marking spot, have uniform wall thickness.

Used for stirring, mixing and heating liquids in laboratories, but not for accurate measurements.
Compliance with ISO 3819 Laboratory glassware-Beakers.

If you have any questions or concern, welcome to contact us, we will give you feedback as soon as possible.