dialysis health care medicine kidney

DSU-D Dual-Stage Filter


  • Market: Healthcare – Dialysis
  • Application: RO/DI Machines
  • Solution: Bacteria / Viruses / Endotoxins
  • Product Number: 70-0235D

The Nephros DSU-D filter is intended to be used to filter water or bicarbonate concentrate used in hemodialysis devices. It assists in providing hemodialysis quality water or bicarbonate concentrate. The device is not a complete water treatment system, but serves to remove biological contaminants. Therefore it must be used in conjunction with other water treatment equipment (Reverse Osmosis (RO), Deionization (DI), etc.).

Nephros DSU-D


  • Proprietary 5 nanometer (0.005 micron) membrane technology for bacteria, virus, and endotoxin retention

  • FDA-cleared filter which meets and exceeds, ISO 23500-5:2019 standard for dialysis water or bicarbonate concentrate

  • >11-log bacteria reduction (B.diminuta); >8-log virus reduction; >5-log Endotoxin reduction

  • Designed to meet stringent requirements as final filter for centralized water and bicarbonate for HD machines

  • Long continuous 12-month filter life reduces frequency of filter changes

  • Available with quick-connect or 1/2″ threaded connections


  • Compatible Disinfection: Chemical and Heat
  • Max Differential Pressure: 75 psi (5 bar)
  • Filter Membrane: Medisulfone®
  • Membrane Material: Polysulfone
  • Pore Size: 5 nm (0.005 micron)
  • Bacteria Retention: >1011 (B. diminuta)
  • Virus Retention: >108 (PhiX-174)
  • Endotoxin Retention: >105 EU/ml
  • Dimensions: 13” L x 2.5”D
  • Connections Recommended: Quick Connect (CPC (APC))
  • Replacement: 1 year
  • Safety: Dual-Stage Filtration
  • ~60kDa Particle Retention >104 (Hgb)

Associated Installation Kits & Components

  • 70-0294 Install Kit – Dialysis In-Line Filters

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