Seawater Desalination RO Pre-Filter High Flow Cartridge (PHF-L Series)

Seawater desalination plant RO system pre-filtration high flow water filter, diameter 6″/6.5″, length 20″/40″/60″, wide range of filtration rating.Large filtration area provides high flow rates combined with low pressure drops and long service life. Graded filtration pore size in one high flow filter cartridge.

Flow Rate
500 GPM
Micron Rating
5, 10, 25 μm
Max Temperature
up to 80°C

Why Choose Pullner Filter?

More than just a supplier – we’re your technical partner in filtration solutions

Laboratory and Testing Facilities

In-house testing capabilities for materials and quality assurance with advanced equipment and certified technicians.


  • Particle counting analysis
  • Pressure drop testing
    Material
  • compatibility testing

Design and R&D Services

Position as technical partner, not just supplier. Custom solutions for your unique challenges.

  • Custom filter design
  • System optimization
  • Technical consultation

Free Services

Comprehensive free services to support your filtration needs without any hidden costs.


  • Free testing for filtration systems
  • Free custom filtration design
  • Up to 2 free samples

Global Manufacturing

State-of-the-art manufacturing facilities with worldwide delivery capabilities and local support.

  • ISO 9001 certified facilities
  • Global logistics network
  • Local technical support
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