M-120 Cryoguard Thermal Exposure Indicator

• Signal temperature: -120°C
• Activated indicator turns red when exposed to temperatures at or above -120°C
• Used for monitoring products shipped or stored in dry shippers or liquid nitrogen that need to be kept at or below -120°C
• Popular for monitoring oocytes/"eggs", embryos, sperm, vitrified samples & more
• Recommended for monitoring environments at or below -145°C
• Cryoguard indicators have a shelf life of eight months. The shelf life applies whether the indicator is activated or unactivated. An expiration date appears on the label on each indicator.