3M Attest Vaporised Hydrogen Peroxide Tri-Metric Chemical Indicator, 5.1(L) x 1.9(W) cm, Without Extender, 250 Pieces/Pouch, 4 Pouches/Case Case

3M™ Attest™ Vaporised Hydrogen Peroxide Tri-Metric Chemical Indicator with 2" Extender can monitor critical variable such as exposure time, temperature and VH2O2 concentration. It is also the most color-stable of all VH2O2 CIs tested and it won’t changecolor before sterilisation under ambient light.