Use the 3M Comply Hydrogen Peroxide Chemical Indicator 1248 as an internal pack process indicator to verify exposure to vaporized hydrogen peroxide. The chemical indicator bar turns from blue to pink after exposure to vaporized hydrogen peroxide. After processing in vaporized hydrogen peroxide, the blue bar changes to the color of the color match or pink. If the color change is not complete, inadequate exposure to vaporized hydrogen peroxide is indicated. For use in STERRAD 100 System, STERRAD 100S System, STERRAD NX System, and STERRAD 100NX System vaporized hydrogen peroxide sterilizers. Consistent blue-to-pink color change for all 3M chemical indicators for vaporized hydrogen peroxide.