Accuracy of standard glass flasks combined with the break resistance of plastic
- No meniscus to confuse readings
Gravimetrically calibrated individually TC/TD at 20°C, then marked with a permanent color graduation line. Oval marking spot has additional line at 203 mL level for BOD and DO determinations (4985Q28 only). Linerless, non-contaminating closure, leakproof and autoclavable. Individually packaged with polypropylene screw cap.