Super-Dura Filter Cartridges
Hydrophililc PTFE Membrane · Sterilizing-grade Filter LHPF Series

Cobetter Super-Dura Filter Cartridges is designed for almost all pharmaceutical liquids, especially for the solvent-containing liquid and ophthalmic solution. Super-Dura filter cartridge is made of hydrophilic PTFE membrane which provides excellent chemical and heat tolerance.


Features and Benefits

  • Hydrophilic membrane, no need to pre-wet
  • High-strength membrane provides the inline steam sterilization cycle up to 30 times
  • Excellent chemical compatibility, especially for the filtration of solventcontaining liquid
  • Minimize the binding with the preservative in the ophthalmic solution
  • Super-clean membrane with lowest gravimetric extractable

Quality Standards:

  • Tested with B.diminuta (ATCC 19146) at 10 -10 /cm (>99.99999%)
  • Each individual element is integrity tested
  • Each individual element is tracked by serial number
  • Manufactured under a quality management system certified to ISO 9001: 2008

Typical Applications

  • Antibiotics
  • Ophthalmic Solutions
  • Disinfectants
  • Liquid
  • Solvent-containing Liquid
  • Lyophilization,
    Freeze-dried powder


  • Specifaction
  • Performance
  • Ordering Information

For technical data sheet or application inquiry, you are more than welcome to contact our sales representative by sales@cobetterfilter.com or leave a message

Materials of Construction

Filter MediumDLHPF Double layer hydrophilic PTFE
SLHPF Single layer hydrophilic PTFE
SupportPolypropylene
Core/Cage/End CapsPolypropylene
O-RingsPlease refer to ordering information

Operating Conditions

Max. Temperature90°C
Max. Pressure4bar/21°C
2.4bar/90°C
Inline Steam Sterilization121°C/30min up to 30 cycles
Steam Sterilization (Autoclave)121°C/30min up to 100 cycles

Effective Filter Area

Super-DuraDLHPF 0.74m x 2 / Ф68-10 inch

SLHPF 0.74m / Ф68-10 inch

Biological Safety

Extractables<20mg
Endotoxins<0.25Eu/ml


Ordering Infomation


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