Geobacillus stearothermophilus
Cell Line 7953
Traditional Spore Strips
Steam Formaldehyde


Crosstex manufactures Biological Indicators (BIs) for use in monitoring Steam-Formaldehyde sterilization processes. Our BIs are manufactured using precise care, which provides assurance that each glassine pouch contains a biological indicator consistent in population and purity.

  • Consist of inoculated filter paper, each 7 mm x 38 mm, individually packaged in easy-to-handle glassine pouches
  • The strips can be easily removed from the glassine pouch by tearing open for transfer to culture media
  • Convenient shelf packages of 100 units per box
  • Products are accompanied by a Certificate of Analysis
  • Compliant with ISO 11138-1
  • 30 month shelf life