surgeon washing hands with soap and water

HydraGuard Ultrafilter


  • Market: Infection Control
  • Application: Inline
  • Solution: Bacteria / Viruses / Endotoxins
  • Product Number: 70-0111 / 70-0112

The Nephros Hydraguard Ultrafilter purifies EPA-quality water and makes it suitable for drinking, wound cleansing, surgical handwashing, and medical equipment cleaning. This model type is an in-line filter capable of retaining bacteria, viruses, and endotoxins for 180 days. The HydraGuard Ultrafilter is FDA 510(k)-cleared as a Class II medical device.

Nephros Hydraguard


  • FDA-cleared as Class II filter to aid in infection control

  • Effective barrier for bacteria, viruses, and endotoxins

  • 0.005 micron pore size

  • Proprietary hollow-fiber membrane technology

  • Long, continuous 180-day (6-month) filter life

  • Available as 10″ cartridge style filter with 222 gasketed connections


  • Max Inlet Temperature: 27° C (80° F)
  • Max Inlet Pressure*: 100psi (6.8 bar)
  • Material: Polysulfone
  • Pore Size: 0.005 micron
  • Bacteria Retention: >1011 (B. diminuta)
  • Virus Retention: >108 (PhiX-174)
  • Endotoxin Retention: >105 (EU/ml)
  • Size: 10” L x 2.5” D
  • Membrane Surface Area: 2.6m2
  • Connection: 222 O-Ring
  • Replacement: Up to 6 months

* For inlet pressures above 75psi, a pressure regulator should be installed (≤75psi) to account for plumbing system pressure fluctuations (typically up to +/- 25psi). A hammer arrester should be installed in applications where water hammer may be present

Associated Kits & Components

  • 70-0116 10” Cartridge Housing Kit (flat bottom, keystone mix)

Want to know more?

Reach out for quotes, additional product details, installation questions, and more.