Crosstex EO Gas Sterilization Monitor Strips – Type 1 provide clear visual confirmation of exposure to Ethylene Oxide (EO) sterilization with an irreversible color transition from cream to orange. These chemical indicators are suitable for use in both 100% EO and EO/HCFC gas mixtures. Manufactured in compliance with ISO 11140-1 Type 1 standards, they ensure reliable sterilization process monitoring. Each shipment includes a Certificate of Analysis, and strips can be stored at room temperature (15°C to 30°C).