Air purifier filter
Blueair AllergenBlock filter (Blue Pure Mini Max)
111231
Fits 1 model · replace every 6 months
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GenuineGenuine Blueair
$66.11
Amazon AU · 28 SeptLowest genuine · Amazon AU · checked 28 Sept
CompatibleCompatible option
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No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Blueair. Compatible: another brand. Check certification on the seller's page.Genuine is made by Blueair. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest price · $66.11
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AUD, before delivery. Each price shows when it was checked.
Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Usually every 6 months (up to 6 months; the filter light on the unit turns red). The filter light is a reminder, not a water-quality sensor.
Flow slows and taste drops off as the filter fills up. Changing on time is the whole point.
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 111231 filter
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Switch the purifier off and unplug it.
- 2Hold the base, twist the top section a little anti-clockwise and lift it off.
- 3Lift the old cylindrical filter out of the base and drop the new one in, pull tab up. Take the plastic wrap off first.
- 4Refit the top, plug in, and hold the button until the filter light goes out (or reset it in the Blueair app).
Every number this part goes by
- Retail name:
- 111231
- Retail name:
- Mini Max AllergenBlock
Sellers list any of these; they are the same part.
Will it fit your appliance?
Type your model number and we'll check it against the makers' lists.
Fits these 1 Blueair model
Blueair1 model
Alternative to 111727 in the same slot.
Common questions
- Which filter fits the Blueair 111231?
- The Blueair 111231 takes the Blueair AllergenBlock filter (Blue Pure Mini Max) (part 111231). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Blueair 111231?
- 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 111231 in Australia?
- We track 1 Australian seller for the 111231; the lowest listed price when we last checked was A$66.11 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 111231 in a Blueair 111231?
- 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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