i3 ONE sterile filter

Compact Legionella filter for the water faucet

For an overview of our products for the American market, please visit our US website.

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 faucet 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).

i3 ONE - Compact sterile filter for the water faucet


You are interested?

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 surface

  • 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

i3 ONE - Compact sterile filter for the water faucet
i3 ONE - Compact sterile filter for the water faucet
i3 ONE - Compact sterile filter for the water faucet
Sketch i3 ONE

Technical data

Flow rate 12 l/min at 5 bar (initial)*
Bacteria retention > 7 log per cm2 (Brev. dim.)
Retrograde protection Bacteriostatic features > 4 log Pseudomonas aerionosa, Escherichia coli, Staphylococcus aureus within 24 hours
Disinfection Cleaning with specified disinfectant*
Operating pressure max 5 bar
Operating temperature 60oC (max. 70oC for 30 min)
Duration of use 50 days (7 weeks)
Membrane i3 high performance flat membrane
Pore size of membrane 0.2 µm
Storage time 5 years
Chlorine resistance Resistant to chemical shock disinfection*
Connection CPC quick release coupling*
Accessories Accessories for i3 sterile filter

Linking knowledge

As your companion for life science filtration, we support you with new, effective separation technologies in the Lab/Pharma, Medical and Biotech fields.

Background Texture

Any questions? We’re happy to help.

Simply send us a message or give us your contact details. Our experts will get in touch with you to answer your questions.

Christoph-Seydel-Straße 1
01454 Radeberg
Branch/ Billing address
Theodorstraße 41P
22761 Hamburg