PYREX 15mL Volumetric Pipets, Class A, TC/TD, Colo
Corning These precision 15mL PYREX® volumetric pipets are manufactured and calibrated "To Contain" (TC - bottom line) and "To Deliver" (TD - top line) to specifications for Class A volumetric ware. Pipets are color-coded with colored graduations and calibration lines enameled onto the glass. - COG
