3M™ Freeze Watch™ Indicator 9805FW, 0°C/32°F, 400 per case

• Inexpensive solution for monitoring product exposure to freezing temperatures.
• Self-adhesive backing sticks securely to most exterior packaging materials.
• Easily-interpreted visual results.
• Activation temperature of 0°C/32°F helps proper shipping of freeze-sensitive items.

3M™ Freeze Watch™ Indicator 9805FW consists of a highly sensitive indicating liquid inside a specially designed ampoule to monitor exposure of temperature-sensitive products to freezing temperatures.