The Ionmax ED18 takes the Ionmax ION+ED18-H HEPA Filter (Ionmax+ ED18) as its filter; replace it every 6 months; Australian sellers list it from A$129.00 as of 1 November 2026. Fitment confirmed against the manufacturer's compatibility list.
Your dehumidifier
Ionmax ED18
Dehumidifier
Confirmed against Ionmax's listConfirmed against Ionmax's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the ION+ED18-H filter
ION+ED18-H HEPA Filter (Ionmax+ ED18) · 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 ION+ED18-H
Filter · every 6 months · check the code on your old filter.
Other Ionmax models and their filters
The ION+ED18-H fits the ED18 only. These Ionmax models take a different filter:
GenuineGenuine Ionmax
$129.00
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 · $129.00
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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 ED18
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Switch the dehumidifier off and unplug it.
- 2Remove the air inlet and filter cover.
- 3Take out the antibacterial pre-filter, then the old HEPA filter.
- 4Fit the new filter, then refit the pre-filter and the cover.
Every number this part goes by
- Retail name:
- ED18-H
- Retail name:
- ION+ED18-H
- Retail name:
- IONED18-H
Sellers list any of these; they are the same part.
About your Ionmax ED18
Ionmax dehumidifier — Ionmax+ ED. Its filter is the ION+ED18-H HEPA Filter (Ionmax+ ED18), part ION+ED18-H, changed every 6 months.
Other filters the maker lists for this dehumidifier: Ionmax ION+ED18-HC Deodorising HEPA Filter (Ionmax+ ED18) (every 6 months). Deodorising version of the ED18 HEPA filter (ION+ED18-HC): adds odour control; fits in place of ION+ED18-H.
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 ED18?
- The Ionmax ED18 takes the Ionmax ION+ED18-H HEPA Filter (Ionmax+ ED18).
- How often should I replace the filter in my Ionmax ED18?
- Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the ION+ED18-H in Australia?
- We track 1 Australian seller for the ION+ED18-H; the lowest listed price when we last checked was A$129.00 at Ionmax. Prices are re-checked daily and dated on this page.
- How do I fit the ION+ED18-H in an Ionmax ED18?
- No tools, a few minutes: 4 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.
- Is there anything to reset afterwards?
- No reset needed on the ED18: no filter reminder to clear.
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