Provide optimal conditions for accurate readout of Attest Biological Indicators. Convenient, 14- or 28-vial capacity. Dry-block design pre-set to proper incubation temperature. Attest Indicator, Brown Cap, 48 hours Incubation Time. In-House Biological Monitoring System. 25 Biological Indicators, for use in Steam Sterilization. Provides results in 2 days. No more recalls. Changes color for an unsuccessful processing. Used together with Attest Biological Indicator Incubator 116. Attest Biological Indicator is a revolutionary biological monitoring system that has an incubation period of 48 hours, providing accurate and easy-to-interpret results to prevent recalls. Attest Biological Indicator uses a color system to indicate the presence of spores or organisms.This system is best used with Attest Biological Indicator Incubator 116.