Biological Indicators, Rapid Readout, 3-Hour, Steam Sterilization, 50/Box, 100583

Self-contained rapid readout biological indicators for steam sterilization, designed to provide a final fluorescent result in just 3 hours. Each vial contains Geobacillus stearothermophilus spores and an optimized culture medium, with a chemical process indicator on the cap to confirm steam exposure. The compact vial size (approximately 10 mm diameter x 46 mm length) fits most dedicated auto-readers, making it an essential quality assurance tool for monitoring gravity and vacuum-assisted steam cycles at 121°C or 132°C.