In-office system for monitoring steam sterilizers. Easy to use and interpret. Results in 24–48 hours. Simply process vial in a normal sterilizer cycle, then activate vial, incubate, and record results. If any spores survive process, vial medium will turn yellow. Incubator is 24 volts and holds up to 14 indicators. Indicators are also compatible with 3M™ Attest™ incubator.