Chemical Indicator strips

Hello everyone ,
Which type of Chemical indicator strips can be utilized for visual confirmation of different autoclave cycle?

As per ISO 11140-1, Guidelines by ISO standards.

We can use class 1, chemical indicator for processing of individual items.

Class 2 for bowie dick test, dynamic air removal test.

Class 5/6 for physical verification of steam sterilization.

Thank you for your response.

Which chemical indicator strip should we use for physical verification of steam cycle ,which cover temperature and time range of 121°C & 115°C for 15 minutes, 10minutes, 30minutes?