Biological Indicators, Ultra Rapid, 20 Minutes, 50/Box, 100584

Self-contained biological indicators for rapid steam sterilization monitoring, using Geobacillus stearothermophilus spores. Validated for dynamic air removal and gravity displacement cycles at 132°C to 135°C, they provide a definitive fluorescent readout in 20 minutes when incubated in a compatible auto-reader. Each indicator includes a crushable glass ampoule with growth medium and pH indicator, plus an external Type 1 chemical indicator for exposure verification.