Corning 5581 Series Volumetric Flask – Class B, Snap cap


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Fisher 10-199-10, Pyrex 5581 Series Class B Flasks.
For use with Polyethylene Snap Cap that protects neck if tipped over.
Calibrated “To Contain.”
Meet Class B tolerances on Class B Volume Tolerances chart.
Permanent graduation line.
Designed from requirements for Class B flasks of ASTM E 288.
May not include cap.
For general lab work.