Includes: 50 units/Box Instructions for Use Features and Benefits: Provides BI results in 24 minutes in 3M Attest 490M Auto-readers with software version 4.2.7 or greater Gravity: 132˚C (270˚F) 3 min. and 10 min. 135˚C (275˚F) 3 min. and 10 min. Helps deliver BI results often before a patient leaves the surgical suite Meets ISO and FDA performance requirements for biological indicators Contains viable organisms that provide a direct measure of lethality Puts instrument turnaround speed into overdrive