- Provides a 24 minute readout
3M™ Attest™ Super Rapid Readout Steam Challenge Pack 1496VF is for monitoring 132°C (270°F) 4 minute and 135°C (275°F) 3 minute Vacuum-Assisted Steam Sterilization. Each pack contains one 3M™ Attest™ Super Rapid Readout Biological Indicator 1492V. Includes 5 controls, and provides a 24 minute readout.