3M Attest Biological Indicators that monitor the effectiveness of the steam sterilization process and provide results within 24 hours. 3M Attest 1261 Biological Indicators for 270 degrees F/132 degrees C gravity steam cycles. Self-contained BI for 270 degrees F/132 degrees C gravity steam cycles consists of a Geobacillus stearothermophilus spore strip; sealed glass ampule with growth medium and a bromocresol purple pH indicator dye system; blue color-coded cap with holes for sterilant penetration and a filter as a barrier; and a chemical 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 spore strip. The BI is incubated for 24 hours for a visual color change readout. A color change to yellow indicates surviving spores and a positive result.
100 EA/BX 4 BX/CA^ Attest Biological Indicators for Steam 270° F/132° C Gravity Displacement, 24 hour readout, Blue cap. 100 EA/BX 4 BX/CA
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