instaBAG Fraser


instaBAG Fraser ½ is a ready-to-use filter bag which includes a dehydrated pre-dosed media, allowing a 2-in-1 process: media preparation and sample preparation for microbiological analyses. Fraser ½ is used as a medium for primary selective enrichment for the detection and enumeration of Listeria monocytogenes

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The instaBAG Fraser ½ is a sterile filter bag pre-filled with dehydrated supplemented Fraser ½ broth, designed for the selective enrichment of Listeria monocytogenes and Listeria spp. It streamlines the sample preparation process by combining media preparation and homogenization in one step.

Key Features of the instaBAG Fraser:

  • Pre-dosed with supplemented Fraser ½ broth
  • Filter porosity: <250 µm
  • Compatible with any laboratory blender
  • Gamma ray sterilized.
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