- Flasks Feature Individually Calibrated Ring-Markings
- Durable Markings are Easy to Read
- Limit Cleaning Temperature to 60 ºC (140 ºF) to Preserve a Ring Mark
- Meets Class A Tolerances per DIN EN ISO 1042
- Easy to Clean
- Autoclavable at 121 ºC (250 ºF) without Affecting Tolerances