Air purifier filter · Ionmax
Ionmax ION390 3-in-1 replacement filter
- Replace every 12 months
- Fits inside the fridge
- Fits 1 model
The 3-in-1 filter (pre-filter, HEPA, carbon) for the discontinued Ionmax ION390 tower. Still sold by Ionmax.
Reduces
- Fine dust, pollen and allergens
- Odours, smoke and gases (activated carbon)
- Fits
- Ionmax ION390 (discontinued)
- Size
- 51 x 11.8 x 3 cm
Every number this part goes by
- Retail name:
- ION390 filter
- Retail name:
- ION390F
Where to buy
Every seller we track for this part, cheapest first. Genuine is the manufacturer's own part; compatible is a third-party filter made to fit. Prices are re-checked daily where the seller publishes them. Last checked 1 August 2026.
How long it lasts
Replace every 12 months.
Flow slows and taste drops off as the filter fills up. Changing on time is the whole point of the filter.
Not due yet?
This filter is due every 12 months. We'll email you when it's time — free, no spam.
Fitting it
A few minutes, no tools. Watch it done, then follow the steps.
We haven't found a clear video for this filter yet. The steps on the right cover it.
- 1Switch the purifier off and unplug it.
- 2Pull the front panel off from the bottom edge.
- 3Lift the old 3-in-1 filter out, unwrap the new one and fit it the same way round, carbon side out.
- 4Refit the panel, plug in, and hold the filter button until the indicator clears.
Will it fit your appliance?
Type your model number and we'll check it against our fitment database.
Fits these models
Ionmax1 model
Common questions
- Which filter fits the Ionmax ION390-F?
- The Ionmax ION390-F takes the Ionmax ION390 3-in-1 replacement filter (part ION390-F). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Ionmax ION390-F?
- Every 12 months. Flow slows and performance drops off as the filter fills up, so it's worth doing on time.
- Where can I buy the ION390-F in Australia?
- We track 1 Australian seller for the ION390-F; the lowest listed price when we last checked was A$27.00 at ionmax. Prices are re-checked daily and dated on this page.
- How do I fit the ION390-F in a Ionmax ION390-F?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
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