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Spordi Biological Indicator Discs

Minimize inventory with bioindicator discs made of special filter paper inoculated with dual spore species that can be used to check the effectiveness of steam, ethylene oxide (EO), and dry heat sterilizers.

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Product Overview

STERIS Spordi® Biological Indicator Discs are specifically designed for determining the effectiveness of steam, ethylene oxide (EO), dry heat, or hydrogen peroxide vapor sterilization. Each disc is made from special filter paper inoculated with both Bacillus atrophaeus (BA) and Geobacillius stearothermophilus (GS) bacterial spores. This minimizes inventory because one package of Spordi Biological Indicator Strips can be used to check the efficacy of steam, EO, and dry heat sterilizers.


STERIS Spordi Biological Indicator Discs can be placed inside your devices to create a customized challenge device. After the sterilization cycle is complete, discs should be transferred aseptically to media and incubated.


  • Productivity - Small disc sizes allow greater flexibility in placement of BIs.
  • Ease of Use - Discs can be placed in your specific device being sterilized to create your own challenge devices.
  • Reliability - Each lot is documented with population and resistance for both B. atrophaeus and G. stearothermophilus spores.
  • Efficacy - Meet the suggested performance parameters published in the current USP standards.
  • Flexibility - Custom designed discs with defined populations and D-value ranges are available.

Certificate of Analysis

Certificates of manufacture/analysis for consumable products by product ID and lot number. (Adobe® Acrobat® Reader required)