Crosstex 1 mL Spore Ampoules are Self-Contained Biological Indicators for monitoring steam processes consisting of a hermetically sealed glass ampoule which contains modified Trypticase® Soy Broth (TSB) with a pH indicator and Geobacillus stearothermophilus spores with a population level of 104, 105 or 106.
Trypticase® is a registered trademark owned by Becton, Dickinson and Company.