Will the Blueair F4MAX Particle + Carbon filter (411i Max / 411i+ Max / 411a Max) work with the Blueair Blue Pure 411a Max Air Purifier?
Yes. Both use Blueair Blue Pure 411 Max series filter (F4MAX).
Both records are reviewed against the manufacturers' sources; sources last checked 2026-10-14. Informational only: confirm with the manufacturer before buying.
Why
- ✓ Both use Blueair Blue Pure 411 Max series filter (F4MAX).
Good to know
- Not interchangeable with the older Blue Pure 411 / 411+ / 411 Auto filter.
- Blueair's page gives both 6 months and up to 9 months filter life.
Sources
- Blueair Blue Pure 411a Max Air Purifier: specs from Blueair - Blue Pure 411i Max / 411i+ Max / 411a Max filter (F4MAX) page, checked against the source 2026-10-13.
- Blueair F4MAX Particle + Carbon filter (411i Max / 411i+ Max / 411a Max): specs from Blueair - Blue Pure 411i Max / 411i+ Max / 411a Max filter (F4MAX) page, checked against the source 2026-10-13.
- Blueair Blue Pure 411 Max series filter (F4MAX): Filter for the Blueair Blue Pure 411i Max, 411i+ Max and 411a Max. (Blueair - Blue Pure 411i Max / 411i+ Max / 411a Max filter (F4MAX) page).
Check your exact setup
Other parts in the cart, current configuration (installed memory, fan brackets) and adapters can change the answer.
Check a whole cartAI assistants and developers: the same answer, with a signed receipt, from check_compatibility at https://tetheredtrust.com/mcp or POST https://tetheredtrust.com/v1/check with existing_id: "blueair-blue-pure-411a-max", candidate_id: "blueair-f4max-particle-carbon-filter".