• Supplied with Interchangeable Solid Glass Stopper
• Each flask is marked with a QR code and individual serial number and supplied with
 certificate of calibration traceable to National standards
• Amber coating on exterior surfaces to facilitate use with light sensitive solutions
• White enamel inscriptions
• Calibrated & certified at 27°C
| MATERIAL | COMPLIANCE | 
|---|---|
|  |  Complies with DIN / ISO 1042, Accuracy as per class A  | 
