Pyrex^® certified and serialized micro volumetric flask, with Pyrex^® stopper

Pyrex^® certified and serialized micro volumetric flask, with Pyrex^® stopper, capacity 2 mL

Pyrex^® certified and serialized micro volumetric flask, with Pyrex^® stopper, capacity 10 mL

Pyrex^® certified and serialized micro volumetric flask, with Pyrex^® stopper, capacity 25 mL