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mdi Membrane Technologies

Grid Marked Cellulose Nitrate Membrane Disc Filters

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mdi’s Grid Marked Cellulose Nitrate Membranes feature a convenient surface grid that facilitates quantification of colonies.

The Gridded Cellulose Nitrate Membranes are validated for:

  • Inhibitory effect of ink grids on membrane filters per ASTM D 4200-82
  • Microbial recovery
  • Microbial retention
  • Sterility


  • Product microbiology
  • Water microbiology

Available Pore Sizes: 0.2 µm, 0.45 µm, and 0.8 µm

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Product Detail
Thomas No.
Mfr. No.
Disc Filter, Cellulose Nitrate, Grid Marked, 47mm, 0.2 µm, ETO-Sterile
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Thomas No.
Mfr. No.
Disc Filter, Cellulose Nitrate, Grid Marked, 47mm, 0.45 µm, ETO-Sterile
list price/quantitytotal
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