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Pak® Lenticular Filters

Our Product Overview

ErtelAlsop Pak® depth filter cartridges, also known as depth lenticular filter modules, are available in several configurations and options. Cartridges, or modules, are manufactured in 12 inch (30.5 cm) or 16 inch (40.6 cm) diameter and include from 5 to 18 stacked lenticular filter cells. A Pak® is assembled from varying numbers of filters cell.

Filter cartridges are available in three construction formats:

  • Stainless steel bands and flat end cap gaskets
  • Polypropylene cores and flat end cap gaskets
  • Polypropylene cores and double O-ring end cap gaskets

To meet the demands of various applications, depth filters can be supplied with options including water removal, pharmaceutical grade material, or polypropylene filter media.


  • Blood Fractions
  • Sera
  • Cell Culture Media
  • Active Pharmaceutical Ingredients
  • Large Volume Parenterals
  • Small Volume Parenterals

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