Corning® Pyrex® Volumetric Pipets, Class A Serialized / Certified
By CorningThese Pyrex® volumetric pipets are calibrated to Class A tolerances in accordance with ASTM E-542, and ASTM E-969. Each pipet is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Sizes 1mL through 25mL are color-coded with colored graduations enameled onto the glass.