For use in all steam sterilisers. Long stripe of chemical indicator ink printed on perforated-style strip. Allows full- or half-length use for different pack sizes. Utilises distinct colour change to indicate process results. Indicator changes colour from white to dark brown/black when exposed to steam sterilisation conditions.

An ANSI/AAMI/ISO 11140-1:2005 Class 4 Chemical Indicator used to determine whether the sterilization process conditions were met inside each pack. Can be used in all 250-273xF steam sterilization cycles.