Blueair 111851 air purifier filter
Last checked October 30, 2026
111851 is a genuine Blueair air purifier filter. Blueair lists it for 1 Blueair model: COMFORTPURE 3-IN-1 T10I.
Listing name: ComfortPure 3-in-1 T10i Replacement Filter.
Find your exact model number in the list below. If it is not listed, this page does not confirm a fit.
Fit source: the 111851 listing on Blueair (blueair.com), the maker's own site. Read October 30, 2026. Open the listing.
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Unplug the purifier before you change a filter.
Models Blueair lists for 111851
Showing 1 of 1 models, as written on the listing.
| Model | |
|---|---|
| COMFORTPURE 3-IN-1 T10I |
Where to find your air purifier model number
On the back or bottom of the unit. Use the model number, not the serial number. Search any model number.
Questions
Will the 111851 fit my Blueair air purifier?
Only if your exact model number is on the list above. Blueair lists it for 1 models, read October 30, 2026.
Where is the model number on a air purifier?
On the back or bottom of the unit.
Is 111851 a genuine Blueair part?
Yes. 111851 is Blueair's own part number, sold on Blueair (blueair.com).
Is there a cheaper replacement?
We list only the genuine part. There is no public certification listing to compare aftermarket versions of this part, so we do not rank them.