3M™ Attest™ VH2O2 Tri-Metric Chemical Indicators, Type 4

Advanced multivariable chemical indicator designed for vapor hydrogen peroxide sterilization processes. This Type 4 indicator independently monitors time, temperature, and VH2O2 concentration to verify sterilization cycle effectiveness. The proprietary protective film minimizes ink transfer onto surgical instruments, while the clear blue-to-pink color change provides reliable cycle validation with easy-to-read accept and reject zones.

Key Features:

• Monitors three critical sterilization variables independently for accurate cycle verification
  
• Detects failed sterilization cycles with superior accuracy compared to alternative indicators
  
• Resistant to color change under ambient light before sterilization
  
• Consistent color response across all 3M vapor hydrogen peroxide chemical indicators
  
• Protective film coating reduces instrument contamination from ink transfer