The Ionmax ION651 takes the Ionmax ION651-F HEPA Filter (Rhine Pro ION651) as its filter; replace it every 6 months; Australian sellers list it from A$49.00 as of 1 November 2026. Fitment confirmed against the manufacturer's compatibility list.
Your dehumidifier
Ionmax ION651
Dehumidifier
Confirmed against Ionmax's listConfirmed against Ionmax's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the ION651-F filter
ION651-F HEPA Filter (Rhine Pro ION651) · replace every 6 months · check the code printed on your old filter before ordering.
Your dehumidifier
Dehumidifier
Confirmed against Ionmax's listConfirmed against Ionmax's own compatibility list
Takes the ION651-F
Filter · every 6 months · check the code on your old filter.
Other Ionmax models and their filters
The ION651-F fits the ION651 only. These Ionmax models take a different filter:
GenuineGenuine Ionmax
$49.00
Ionmax · 1 NovLowest genuine · Ionmax · checked 1 Nov
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Ionmax. Compatible: another brand.Genuine is made by Ionmax. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $49.00
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AUD, before delivery. Each price shows when it was checked.
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Not due yet?
Get a nudge when your filter is due — it's every 6 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the filter in your Ionmax ION651
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Switch off, wait for the fan to stop and unplug.
- 2Take off the washable pre-filter at the back of the unit.
- 3Take out the old HEPA filter, unwrap the new one and fit it in its place.
- 4Refit the pre-filter, plug in and switch on.
- 5While the filter icon is flashing, hold the Timer button for 5 seconds until it beeps.
Every number this part goes by
- Retail name:
- ION651-F
- Retail name:
- ION651F
- Retail name:
- Rhine Pro filter
Sellers list any of these; they are the same part.
About your Ionmax ION651
Ionmax dehumidifier — Rhine Pro. Its filter is the ION651-F HEPA Filter (Rhine Pro ION651), part ION651-F, changed every 6 months.
Where the model number is: The model is on the label under or on the back of the unit, and on the box. Unplug it and empty the tank before you turn it over.
Fits this Ionmax model
Ionmax1 model
Common questions
- Which filter fits the Ionmax ION651?
- The Ionmax ION651 takes the Ionmax ION651-F HEPA Filter (Rhine Pro ION651).
- How often should I replace the filter in my Ionmax ION651?
- Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the ION651-F in Australia?
- We track 1 Australian seller for the ION651-F; the lowest listed price when we last checked was A$49.00 at Ionmax. Prices are re-checked daily and dated on this page.
- How do I fit the ION651-F in an Ionmax ION651?
- No tools, a few minutes: 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A clogged filter cuts the airflow, so the unit works harder and dries or cleans the air more slowly.
- How do I reset the reminder?
- While the filter icon is flashing and the unit is running, hold the Timer button for 5 seconds until it beeps.
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