These liquid-in-glass pocket thermometers are are filled with a biodegradable liquid and dye, which eliminates the hazards of mercury in the case of breakage and/or disposal. A Certificate of Accuracy is included with each thermometer. Each thermometer is serialized and has blue liquid against a white background for ease of reading.
- Non-Toxic Biodegradable Liquid & Dye
- Easy to Read Red Liquid
- Each Thermometer Serialized
- Certificate of Accuracy Included
- Permanent Markings