Air purifier filter
Blueair SmokeBlock filter (Blue Pure 211i Max)
111234
Fits 1 model · replace every 6 months
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GenuineGenuine Blueair
$136.75
Amazon AU · 5 OctLowest genuine · Amazon AU · checked 5 Oct
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 · $136.75
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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 (6–9 months on RealTrack (app tracks actual use)). The app reminds you when it is due.
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 111234 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:
- 111234
- Retail name:
- 211i Max SmokeBlock
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 F2MAX in the same slot.
Common questions
- Which filter fits the Blueair 111234?
- The Blueair 111234 takes the Blueair SmokeBlock filter (Blue Pure 211i Max) (part 111234). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Blueair 111234?
- 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 111234 in Australia?
- We track 1 Australian seller for the 111234; the lowest listed price when we last checked was A$136.75 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 111234 in a Blueair 111234?
- 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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