Search·Blueair
Use this page to see which air purifier models take this cartridge, check suggested change timing when we have it, and open retailer links when you’re ready to buy.
Brand
Blueair
This filter number is linked to the purifier models below in our reference. If yours is listed, open buying options when you’re ready—always match the number on your current cartridge.
F4MAX
Blue Pure 411i Max / 411a Max Filter (Particle + Carbon)
Replace about every 6 months
Also known as: 110036
F4MAX matches models linked on this page. A BuckParts Verified Link appears only when our checks clear for this part number—not every filter has one.
Why this fits
- 1 compatible model on file for this part number
- Notes available
- When a BuckParts Verified Link appears below, we checked that retailer product page against this part number. Compare it with your old filter before ordering.
Model lists here reflect what we have on file for this part number—not every unit ever sold.
BuckParts Verified Links
A place to buy that BuckParts has checked against the part, listing, and evidence we trust. Not every filter page has one—we only show a link when our checks clear for this part number.
Shown as a BuckParts Verified Link after we checked the product page against this filter number (2026-06-22).
Fits these models (1)
Notes & next steps
Search again if you need a different model or part number.
F4MAX / 110036 Max-series cartridge; 411i Max / 411a Max only; NOT legacy 411/411+/411 Auto.