General-purpose, used for holding or roughly measuring liquids, and also suitable for mixing, heating, and boiling solutions.

Complies with ISO 1773 Laboratory glassware - Narrow-neck flasks standard and ISO 24450 Laboratory glassware - Wide-neck flasks standard.

· Borosilicate glass 3.3 material, with spout for clean pouring

· White enamel graduations and labeling filed, high durability, easy to read and mark

· Uniform wall thickness for heating evenly