PYREX 20mL Volumetric Pipets, Serialized/Certified
Corning These 20mL 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. Color-coded markings enameled onto the glass. - COG
