EZTest Self Contained Biological Indicators for Steam Sterilization Processes 105 G. stearothermophilus
25/Box
EZTest contains bacterial spores on a filter-paper carrier packaged within a small, thermoplastic culture tube. Inside the thermoplastic culture tube is a sealed-glass ampoule of specially-formulated soybean casein digest culture medium containing a colour indicator which turns a dramatic yellow when spores grow.