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3M Attest Standard Biological Steam Indicator - Brown Cap
3M Attest Biological indicators that monitor the effectiveness of the steam sterilization process and provide results within 48 hours.
The self-contained BI for 250F/121C gravity and 270F/132C vacuum-assisted steam cycles consist of a Geobacillus stearothermophilusspore strip; sealed glass ampule with growth medium and a bromocresol purple pH indicator system; brown color-coded cap with holes for sterilant penetration and a filter that acts as a barrier, and a process indicator on the label that changes from rose to brown when processed. After sterilization, the vial is crushed to join the growth media with the processed spore strip. The BI is incubated for 48 hours for a visual change readout. A color change to yellow indicates surviving spores and a positive result.
Suggested Applications
Monitoring 250F/121C gravity and 270F/132C vacuum-assisted steam sterilization processes.