Traditional Spore Strips - G. stearothermophilus (Cell Line 7953) Consist of inoculated filter paper, each 7 mm x 38 mm (1.5” x 0.281”), individually packaged in easy-to-handle glassine pouches. The strips can be easily removed from the glassine pouch by tearing or peeling the pouch open for transfer to culture media or challenge device assembly Primary packaging in a white glassine pouch Products are accompanied by a Certificate of Analysis and are certified with population, purity, and resistance characteristics (D value, z value, survival and kill where applicable)