FitMatch

The Ionmax ION450 takes the Ionmax ION450 carbon deodorisation filter (part ION450-CF) as its carbon filter; replace it every 12 months; Australian sellers list it from A$35.00 as of 22 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Ionmax ION450

Your air purifier

Air purifier

Confirmed against Ionmax's list

ION450-CF

Takes the ION450-CF

Carbon filter · every 12 months · check the code on your old filter.

Other Ionmax air purifiers and their filters

The ION450-CF fits the ION450 only. These Ionmax models take a different carbon filter:

Genuine

$35.00

Ionmax · 22 Oct

Compatible

See seller

No compatible seller tracked yet

Genuine: made by Ionmax. Compatible: another brand. Check certification on the seller's page.

Lowest price · $35.00

Ionmax. Every seller we track is listed below. Some links earn us a commission.

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This air purifier also takes a pre-filter

Compare 1 seller

AUD, before delivery. Each price shows when it was checked.

Open cheapest seller · $35.00

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Not due yet?

Get a nudge when your filter is due — it's every 12 months. One email two weeks before, no newsletter. Manage or stop it anytime.

Also saves the model to a FitMatch account under this address; the email signs you in, no password.

How to change the carbon filter in your Ionmax ION450

Watch the guide or follow the steps.

No clear video for this part yet. The steps cover it.

  1. 1Switch the purifier off and unplug it.
  2. 2Pull the front panel off from the bottom edge.
  3. 3Lift the old 3-in-1 filter out, unwrap the new one and fit it the same way round, carbon side out.
  4. 4Refit the panel, plug in, and hold the filter button until the indicator clears.
Every number this part goes by
Retail name:
ION450 carbon filter
Retail name:
ION450-CF

Sellers list any of these; they are the same part.

About your ION450

Ionmax air purifier, air purifier — ION450 (discontinued). Its carbon filter is the ION450 carbon deodorisation filter, part ION450-CF, changed every 12 months.

Also in this air purifier: Ionmax ION450 replacement pre-filters (every 12 months).

Where the model number is: The model number is on the rating label on the bottom or back of the purifier; the old filter usually has its own code printed on the frame.

Fits these 1 Ionmax model
Common questions
Which carbon filter fits the Ionmax ION450?
The Ionmax ION450 takes the Ionmax ION450 carbon deodorisation filter (part ION450-CF). Compatible filters made to the same specification also fit.
How often should I replace the carbon filter in my Ionmax ION450?
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 ION450-CF in Australia?
We track 1 Australian seller for the ION450-CF; the lowest listed price when we last checked was A$35.00 at Ionmax. Prices are re-checked daily and dated on this page.
How do I fit the ION450-CF in a Ionmax ION450?
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?
The fan works harder for less airflow, and the carbon layer stops taking smells out well before the filter looks dirty.

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