Description
These precision 20 mL PYREX® volumetric pipets are manufactured and calibrated (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.
These precision pipets are manufactured and calibrated To Contain (bottom line) and To Deliver (top line) to specifications for Class A volumetric ware.
Do not pipet by mouth. We suggest using a mechanical pipetting device.