Includes: 100 units/bag Instructions for Use Features and Benefits: Ink migration allows for easy to read "accept" or "reject" results 3M™ Comply™ SteriGage™ Steam Chemical Integrators 1243A, 1243B for pack control monitoring of all 118-138°C (245-280°F) steam sterilization cycles The integrator is designed to correlate with the performance of a BI at 3 time/temperature relationships* *The stated values compare with a 1 x 106 spore population of Geobacillus stearothermophilus with a D-value of 1.6 minutes at 121˚C and a z-value of 10.0˚C. Confirmed by British Standards Institution (BSI) Kitemark License for compliance with ANSI/AAMI/ISO 11140-1:2014 Type 5 (Category 5) Integrating Indicators Five year shelf life