Merck

Clarification Prefilters

Examples of clarification prefilters used in pharma and biopharma production

Clarigard® and Polygard® clarification prefilters remove particulates at different steps in biopharma production. These polypropylene filters are offered in both capsule and cartridge formats, with multiple sizes to fit different application needs.

  • Clarigard® filters have a 99.99% particle retention rating, protect downstream operations, and offer low extractables and broad chemical compatibility.
  • Polygard® filters provide high dirt-holding capacity with minimal differential pressure. These nominally rated filters can be used for particulate removal from liquids and gases in multiple applications.

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