Sterilization Flash Indicator Strip Class Class 6 Indicator Change Yellow to Blue/Purple Length 5-1/2 Inch Sterilization Compatibility Steam Temperature 275̴́F (135̴́C) Time 3 / 10 Minute Processing Times UNSPSC Code 42281806 VERIFY SixCess Flash Indicators are specifically designed for immediate use sterilization They incorporate a unique thermochromic ink formulation that displays results immediately Used in every immediate use sterilization cycle, the VERIFY SixCess Flash Indicators give immediate verification that the conditions for sterilization were achieved