STERRAD Cyclesure Biological Indicator (BI), P/N 14324 are sold in cases, packaged as part of STERRAD System Validation kits and STERRAD test packs. || The STERRAD CYCLESURE 24 Biological Indicator (BI), P/N 14324 is intended to be used as a standard method for frequent monitoring of the STERRAD Sterilization System cycles.