1,000mL graduated cylinders with stopper comply with ASTM E1272, Class A, meets USP standards. Individually serialized and certified. Each cylinder includes a hollow glass stopper. Borosilicate glass cylinders feature heavy uniform wall tubing and strong, stable, hexagonal bases. All cylinders come with bumper guards.
- Graduation Interval (ml): 10mL
- Tolerance (+/- ml): 3mL
- Double metric scale
- Calibrated to contain
- Glass stopper