Assuring proper sterilization is important. Medlines monitoring products make it easy to perform these required tests and record the results.Med-Checks Biological Incubator has a 14 vial capacity for use with steam (57 C) or gas (37 C) indicators. Also includes a thermometer.The Med-Checks Biological Test Pack and Steam Indicator is a self-contained biological indicator that can be incubated in any small incubator or in a 3M incubator. Shows a distinctive color change from purple to yellow that occurs if the spores survive.Med-Checks Instant Readout Biological Steam Test Pack contains an EZ test self-contained biological indicator and an instant readout integrator card. After sterilization, the instant readout integrator card predicts the outcome of the biological test for immediate load release. A distinctive color change occurs on the instant readout integrator from purple to green. Biological indicator will change from purple to yellow if the spores survive.