Serial layers of glass-fiber depth media and membrane provide long lasting protection of final filters

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Extended life and high retention efficiency make Clearflow an ideal filter for the clarification of particulate-laden solutions.

At the heart of the Clearflow design is a serial layer matrix of depth media and polyethersulfone (PES) membrane. This combination offers superior flow and long-lasting protection for downstream final filters.  Clearflow cartridges are also non-fiber releasing and will not unload contaminants, even under pulsing conditions.

Clearflow cartridges are available in 0.2, 0.5, or 0.8 μm nominal ratings, and with your choice of glass fiber or polypropylene prefiltration media. They are manufactured in a certified cleanroom environment. The Biological Grade version provides qualitative microbial retention. General Grade cartridges are for prefiltration applications, and are bulk packaged and economically priced.

Additional information


Biopharmaceutical, Food & Beverage


Microglass, Polyethersulfone

Retention Ratings




  • Excellent particle retention provides for excellent protection of downstream filters
  • High flow rate reduces processing time
  • Long service life minimizes changeout frequency
  • Integrity testable
  • Steam Sterlizable


  • Prefiltration/Clarification
    • Syrups and Sweeteners
    • Wine / Beer / Bottled water
    • Viscous liquids
    • Serums
    • APIs
    • Vaccines