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L35 Series - PTFE Pleated Filter Cartridges

L35 Series filter cartridges are made of hydrophobic PTFE membrane which is excellent in chemical compatibility, heat and corrosion resistance. L35 Series filter cartridges are suitable to filter the liquids and gases with strong aggressive and oxidative,usually used for gas/vent sterile filtration.


  • Traceable marking
  • High filtration efficiency, up to 99.99%Excellent chemical compatibility (pH 1-14)
  • Manufactured in a clean room environment
  • 100% integrity tested and flushing with 18MΩ-cm de-ionized water prior to shipment


  • Solvent Filtration
  • Fermentation Feed Air
  • Strong Acids & Bases
  • Aggressive Fluids and Gases
  • Venting
  • Photoresists
  • Hot DI Water
  • Compressed Gas


  • Outer Diameter 69 mm
  • Length 5”, 10”, 20”, 30”, 40”

Material of Constructions

  • Media. Hydrophobic PTFE
  • Support. PP
  • Core/Cage/End Cap. PP
  • Seal Material. Silicone, EPDM, NBR, FKM, E-FKM


Max Operating Temperature 80 °C
Max Operating DP 4.0 Bar @ 20℃
  2.4 Bar @ 80℃


  • Manufactured in a clean room environment
  • Manufactured according to ISO9001:2015 certified Quality Management System
  • Each membrane filter element has been individually tested for integrity
  • Individual element is tracked by serial number

Ordering Information

To place an order, please make up the product code of the configuration you need, guided by the tabular data and observing the order of the values in the code according to the picture. After that, click the Order button and enter the received code in the Product field. Fill in the remaining fields of the Order form and click Submit. Our managers will contact you soon.

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