PF4 filter cartridge

PTFE Membrane Pleated Filter Cartridge

PF4/HPF4 series PFA filter cartridge has excellent chemical compatibility and can be compatible with all the strong acids, alkali, oxidant, corrosive fluids.

The perfluorinated structure minimizes metal precipitates and other contaminants.

Flexibility to choose hydrophobic (PF4) or hydrophilic(HPF4) membrane to suit different applications.


Filter Code PF4 / HPF4
Filter media Hydrophobic PTFE, Hydrophilic PTFE
Support & Drainage PFA
Endcaps/cage/inner core PFA
Max.operating Temp. 180℃
Max. differential pressure Forward:0.42MPa;   Reverse:0.21MPa


  • Sterile filtration for various water-soluble solvents in the pharmaceutical industry.
  • Microelectronic semiconductor industry for wet etching and washing, process water.
  • Eye drops, sterile filtration of antibiotics.
  • Sterile filtration of highly corrosive solvents and organic solvents.
  • Filtration of highly corrosive water-soluble chemicals
  • Respirators, fermentation tank, gas sterilization filtration.