Features : - Color: Color change from blue to black and brown confirms pressure and temperature achieved. - Chemical indicator class 4 is the best chemical indicator. - The parameters of the indicator allow us to realize the sterilization process. - When we look at the indicator, we can easily understand whether the sterilization process has been achieved or not. - Steam Chemical Indicator Class 4 may be used as internal chemical indicators inside each package, tray, or rigid sterilization container. - Steam Chemical Indicator Class 4 measures time, temperature, and critical parameters of the sterilization process. - But Class 4 indicators do not include spores and do not directly control the lethality of the sterilization process. - Aami does not recommend that the Class 4 indicators replace the use of biological indicators. - Chemical Indicators Class 4 are designed to be used in steam sterilizers. - Chemical Indicators Class 4 are designed to operate at steam cycle 134 C – 3,5 minutes or 121 C – 15 minutes conditions. - Chemical Indicators Class 4 according to ISO 11140-1 standard CE marking is not applicable for indicator products, because this product is not considered a medical device under the clause of the EC-directive Application: - Basic verification of sterilization conditions and Routine daily monitoring. - Made in Turkey.