Attest Biolog Flash Indicator 25pk by 3M ESPE SKU 999-0563AA 123 $103.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Attest Indicator, Blue Cap, 24 hours Incubation Time. In-House Biological Monitoring System. 25 Biological Indicators, for use in Steam Sterilization.