ColdMark Descending Temperature Indicator (2C/36F)

ColdMark, a single-use descending temperature indicator, is designed to help shippers identify and correct gaps in their cold chain. The ColdMark turns from clear to violet when the temperature goes below a predetermined threshold.
Available Temperatures
- -3°C / 26°F
- 0°C / 32°F
- 2°C / 36°F
- 5°C / 41°F
- 10°C / 50°F