3M ESPE 1291 Attest Rapid Readout Steam Biological Indicators Blue 50/Pk

Attest Rapid Readout Biological Indicators - BLUE Cap, 50/Bx. For 250°F/121°C Gravity and 270°F/132°C Vacuum Assisted Steam Sterilizers. When processed, the chemical process indicator turns from rose to brown. After the steam sterilization process, the BI is activated to join the growth media with the processed spore strip. The BI is incubated in the 3M™ Attest™ Auto-reader 390 for a final fluorescent result at 1 hour.