3M™ Attest™ Steam Biological Indicator, 1262, Brown Cap, 48 hr, 100/CAR, 4 CAR/CS, 400/CS
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- Accurate BI results with 48-hour visual color readout
- Color-coded (brown cap) for quick reference and easy use
- Compliant with ISO 11138-1:2017 and ISO 11138-3:2017 standards
- Monitors 250°F/121°C gravity displacement and 270°F/132°C vacuum-assisted saturated steam sterilization cycles
- Compatible with Attest™ Biological Indicator Incubator 116
- Interested in a faster BI result? Learn more about Attest™ Super Rapid Steam Biological Indicator, 1492V
The ISO 11138-1:2017 and ISO 11138-3:2017 compliant Attest steam biological indicator, 1262/1262P, monitors the effectiveness of the steam sterilization process for 250°F/121°C gravity displacement and 270°F/132°C vacuum-assisted steam sterilization cycles and provides a final result in 48 hours.
This self-contained biological indicator (BI) consists of a Geobacillus stearothermophilus spore strip and a sealed glass ampoule with growth medium and a bromocresol purple pH indicator system. The spore strip and media ampoule are contained in a plastic vial topped with a brown color-coded cap which includes a chemical process indicator on the label.
When processed, the chemical process indicator changes from rose to brown/black. After the steam sterilization process, the BI is activated to join the growth media with the processed spore strip. Then, the BI is incubated for a visual color change readout at 48 hours. A color change from purple to yellow indicates surviving spores and a positive result.