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Point-of-Use Membrane Ultrafiltration

Sawyer PointONE Membrane Filter

Hollow-fiber membrane ultrafiltration filters pass water through microscopic U-shaped tubes with 0.1-micron pore sizes, providing an absolute physical barrier against bacteria and protozoan cysts.

The Sawyer PointONE Filter System

  • Pore Size: 0.1 Micron absolute (100 nanometers).
  • Filtration Efficacy:
  • 99.99999% (7-log) Bacteria removal (Cholera, Salmonella, E. coli, Typhoid).
  • 99.9999% (6-log) Protozoa removal (Giardia, Cryptosporidium, Amoeba).
  • Gravity Bucket Setup: Easily attached to any standard 20-liter plastic bucket via a drilled hole and silicone gasket. Flow rate: 1 to 1.5 liters per minute under gravity.
  • Maintenance & Backwashing: Backwashed using an included 60ml syringe with clean water to reverse flush trapped sediment from membrane pores.
  • Lifespan: Rated for up to 10 years (1 million+ gallons) with regular cleaning.
  • Unit Cost: ~$45 USD per complete household kit.