i3 ONE sterile filter

Compact Legionella filter for the water tap*

The i3 ONE Point-of-Use sterile filter is used in medical settings to prevent infections caused by bacteria such as Legionella pneumophila, Pseudomonas aeruginosa and mycobacteria. It is used on the water tap for the sterile filtration of piped water. The water filter protects patients receiving medical treatment, for example in oncological, transplant and intensive care units, and also neonates from infection due to waterborne pathogens.

i3 Membrane's Point-of-Use sterile filters are CE-marked Class 1 medical devices and fulfil all the requirements of the EU Medical Device Regulation (MDR).

*This content is not valid for the U.S. market.
For an overview of our products for the U.S. market,
please visit our U.S. website.

i3 ONE - Compact sterile filter for the water tap


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We would be happy to send you an individual offer for our i3 ONE. You can reach us at +49 40 2576748-0 or send us your request.


  • Effective protection from retrograde contamination throughout the period of use due to the bacteriostatic properties of the filter housing

  • Stable flow rate during the 50-day period of use as a result of the use of high performance flat membranes

  • CE-marked medical device whose intended purpose is to prevent infection

  • Reliable 0.2 µm sterile filtration with a complaint rate of < 0.02%

  • Clear product identification for a legally conform documentation of the filter change using the i3 trackApp or i3 change service

  • Biocompatibility in accordance with ISO 10993-1 thus ensures patient safety and product conformity.

  • Guided water jet is laminar and angled to protect against contamination from the waste trap

  • Compact design with a surface that can be disinfected by wiping for unlimited safe use

Technical data

Flow rate 12 L/min at 5 bar (initial)*
Bacterial retention > 7 log (Brev. dim.) per cm2 filter area
Protection from retrograde contamination > 4 log Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus within 24 hours
Disinfection Cleaning with permitted disinfectant*
Operating pressure max 5 bar
Operating temperature 60 oC (max. 70 oC for 30 mins.)
Duration of use 50 days (7 weeks)
Membrane i3 High performance flat membrane
Pore size of membrane 0.2 µm
Shelf life 5 years
Chlorine resistance Resistant to chemical shock disinfection*
Attachment Quick-release coupling*
Accessories Accessories for i3 sterile filter

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01454 Radeberg
Branch/ Billing address
Theodorstraße 41P
22761 Hamburg