Air purifier filter · Blueair
Blueair DustMagnet ComboFilter 5400
- Replace every 6 months
- Fits inside the fridge
- Fits 2 models
The ComboFilter for Blueair DustMagnet 5400 series purifiers (5410i, 5440i). The machine takes two, one behind each front panel; this is one filter, so buy two to do a full change.
Reduces
- Fine dust, pollen and allergens
- Odours, smoke and gases (activated carbon)
- Settled dust (DustMagnet pre-filter plates)
- Pack
- 1 filter (machine takes 2)
- Lasts
- Up to 6 months
Every number this part goes by
- Retail name:
- ComboFilter 5400
- Retail name:
- DustMagnet 5400 filter
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 6 months (Up to 6 months) — the app reminds you.
After fitting: Hold the button on the top of the purifier until the filter light goes out, or clear it in the Blueair app.
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 6 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.
- 1Switch the purifier off and unplug it.
- 2Lift each of the two front panels off the DustMagnet.
- 3Lift the old ComboFilter out from behind each panel and fit a new one on each side.
- 4Refit the panels, plug in, and reset the filter timer in the Blueair app or by holding the button.
Will it fit your appliance?
Type your model number and we'll check it against our fitment database.
Fits these models
Blueair2 models
Common questions
- Which filter fits the Blueair 106323?
- The Blueair 106323 takes the Blueair DustMagnet ComboFilter 5400 (part 106323). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Blueair 106323?
- Every 6 months. Flow slows and performance drops off as the filter fills up, so it's worth doing on time.
- Where can I buy the 106323 in Australia?
- We track 1 Australian seller for the 106323; the lowest listed price when we last checked was A$59.00 at blueair-au. Prices are re-checked daily and dated on this page.
- How do I fit the 106323 in a Blueair 106323?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
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