Disc-Pak® Depth Filter Cartridge


The original lenticular cartridge, the Disc-Pak depth filter cartridge, is specially formulated for the precise filtration of liquids in the light to medium viscosity range. From applications such as lubricating oils, dielectric oils and coolants to syrups, beverages and perfumes, the Disc-Pak, with ErtelAlsop 100% cellulose AlphaMedia, may be used where particulate retention is the purpose of filtration. Disc-Pak depth filter cartridges are available in several grades to allow retention down to 1 micron.

BenefitsApplicationsOptionsAvailable Media FormulationsDownloads
  • 100% Celluose
  • Little to no extactables
  • No resin or binders
  • Processes where DE and/or Perlite would remove or alter Active Ingredients
  • Diameter: 12 inch or 16 inch
  • Height: 7 1/2″ or 10 7/8″
  • Core: Polypropylene or Stainless Steel Straps
  • End Cap: Double O-Ring or Flat Gasket
  • Gasket Material: Viton, Buna-N, Neoprene, EPDM, Silicone, and Teflon Encapsulated
  • Number of Cells:  5 to 18
    • AlphaMedia – manufactured from 100% cellulose. It contain no resins, binders, fillers or synthetic micro fibers. Three standard nominal retention ratings, from 10µm to 1.0µm are available.


  • Pharmaceutical Grades – ErtelAlsop pharmaceutical products are supported by individual Validation Guides for each grade of pharmaceutical depth filter media