i3 FOUR
sterile water filter.
Inline equipment filtration.
For compatible device and instrument supply lines. Stated flow: 6 L/min at 5 bar.
REF 3586 · carton of 1 filter
Key facts
why practices choose i3 four.
- 50-day application period1
- 0.2 µm PES membrane, LRV > 7 for B. diminuta (ASTM F383-15A)1
- Installs behind the angle valve, before the treatment unit (StarterSet with hoses and adapters)1
Applications & features
where it fits,
what it does.
Field of application
- Sterile filter (inline) for use on / filtration of procedural water lines, for protection against water-borne pathogenic germs
- Sterile filter for use on cleaning pistols — e.g. for rinsing instruments
Features
- Disposable product, up to 50 / 90* days operating time
- Quick and safe installation
- Bacteria retention according to ASTM F383-15A: > 7 log per cm² (Brev. dim.)
- High and stable flow rate over the entire period of use
*90 days when the i3 FOUR sterile filter is operated with deionised (fully demineralised) water, or at a low flow rate (< 50 litres per day).
In practice
in the line.
Product information
the essentials.
The i3 FOUR inline sterile filter offers reliable protection against contamination caused by waterborne pathogens such as Legionella pneumophila, Pseudomonas aeruginosa or mycobacteria. It is installed for the sterile filtration of tap water in the inflow pipes of devices and instruments — for example behind the angle valve, before a dental treatment unit.
Key Features
- 50-day application period with a consistently high, stable flow rate.
- i3 PES membrane, nominal pore width 0.2 µm — corresponds with the definition of sterile filtration.
- Quick and safe installation; disposable, single-use filter.
- Log reduction value for Brevundimonas diminuta > 7 log/cm² — ASTM F383-15A (manufacturer data).
- Documented filter change via the i3 trackApp / i3 change service.
- Membrane
- i3 PES membrane, nominal pore size 0.2 µm — corresponds with the definition of sterile filtration. LRV > 7 log/cm² for B. diminuta (manufacturer data).
- Mounting
- Installed inline behind the angle valve, before the treatment unit. StarterSet (REF 3584) includes hoses and adapters; quick-snap coupling (REF 3587) and trigger protection (REF 3588) available. Pairs with a water-line protocol (e.g. Alpron). Do not install in tankless low-pressure systems; filtration does not change dissolved chemical content.
- Field of application
- Inline sterile filtration of tap water in the inflow pipes of water-injected devices and instruments — e.g. dental treatment units, and on cleaning pistols for rinsing instruments.
- Clinical data & approvals
- Plastics suitable for use with drinking water to BS 6920 (manufacturer data). Bacterial retention > 7 log/cm² B. diminuta, ASTM F383-15A (manufacturer data). Not ARTG-registered.
- Service life
- 50 days. Operating temperature 60 °C (up to 70 °C for 30 min); max 5 bar; initial flow 6 L/min at 5 bar (manufacturer data).
- Delivery forms
- REF 3586 — carton of 1 filter. StarterSet REF 3584 (hoses + adapters); quick-snap coupling REF 3587; trigger protection REF 3588.
Figures are manufacturer / EU data, not an Australian therapeutic claim; not ARTG-registered. Follow the data sheet and IFU.
Documents
docs &
downloads.
Need a document that is not listed? Speak to Biodegree — we supply current Product Information (PI), Instructions for Use (IFU) and scientific / test documentation on request.
FAQ
common
questions.
What is the i3 FOUR and where does it fit?
The i3 FOUR is an inline 0.2 µm sterile filter installed in the supply line of water-injected devices and instruments — for example behind the angle valve and before a dental treatment unit, in ENT treatment units, and for medical-device reprocessing. It protects against waterborne pathogens such as Legionella pneumophila, Pseudomonas aeruginosa and mycobacteria.
How fine is the i3 FOUR membrane and what does it retain?
The i3 FOUR uses a PES membrane with a nominal pore size of 0.2 µm, which corresponds with the definition of sterile filtration. Manufacturer data states a log reduction of more than 7 log per cm² for Brevundimonas diminuta (bacterial retention to ASTM F383-15A). These are manufacturer figures.
How long does an i3 FOUR last?
The service life is 50 days, with a high, stable flow across that period. Document each change with the i3 trackApp.
What is the flow rate?
Manufacturer data states an initial flow of 6 L/min at 5 bar, with a maximum operating pressure of 5 bar (operating temperature 60 °C, up to 70 °C for 30 minutes).
How is the i3 FOUR installed?
It is installed inline in the water supply — for a dental unit, behind the angle valve and before the treatment unit. The StarterSet (REF 3584) includes the hoses and adapters; a quick-snap coupling (REF 3587) and trigger protection (REF 3588) are available. It pairs with a water-line protocol such as Alpron so the supply stays microbiologically safe.
What standards does the i3 FOUR meet, and how is it ordered?
Manufacturer data states the plastics are suitable for use with drinking water to BS 6920 and that the filter is authorised for use with drinking water. Order it through Biodegree as REF 3586 (carton of 1 filter); the StarterSet is REF 3584.
Evidence, compliance & training
Sustainability
Fully biodegradable. Free from aldehydes and phenols.
Every Alpro formula is designed to break down and return to nature in diluted form — no aldehydes, no phenols, no chlorine, and no silver ions or metals in our waterline care. And every product is made in Germany, in an emission-free facility powered by solar and geothermal energy.
More about AlproWhat's next?
i3 FIVE
i3 ONEREF · 3582
i3 TWO- i3 FOURREF · 3586
i3 FIVE
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Disclaimers
- Efficacy, contact-time and composition figures are as stated on the manufacturer Product Information or in the cited study (manufacturer/study-stated) — verify before external or clinical use.