Membrane Filter Cartridges

Membrane Filter Cartridges

Membrane cartridges are typically chosen for their absolute ratings and their guarantee of sharp particle-size cutoff, making them an attractive choice for critical filtrations. General Filtration’s WAT and WBM cartridges are made of asymmetric Polyethersulfone (PES) membranes with polypropylene support layers and cores. The geometry of the PES membrane allows for the absolute filtration of particles down to 0.2 microns while resisting solids buildup and maintaining flow. General Filtration’s PES cartridges are integrity tested and validated during production to ensure performance and consistency. PES membranes are also integrity testable in a production setting to determine whether the cartridge has been compromised or to confirm that a cleaning procedure was effective.

General Filtration also offers the GFPTFE membrane cartridges with hydrophobic PTFE membranes for the filtration of aggressive chemicals, and for the sterile filtration of air for tank vents, and for air or CO2 in fermentation processes.


  • Asymmetric hydrophilic PES membrane or hydrophobic PTFE membrane
  • Chemically resistant membrane and structural materials
  • Absolute rated filtration
  • Sterile filtration
  • Pleated membrane for high surface area
  • Regenerable and cleanable using common sanitizers
  • Integrity testable
  • Validation guides available based on application

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