Exact model stated by the manufacturer
Blueair Classic 601 replacement filter
Documented OEM reference: Classic 500/600 Series Particle Filter · 501PFK
DualProtection (103770 / 501DPF) variant also exists.
Limits. Does not establish fit for regional variants, other filter grades, or pre-filters.
Blueair official product page · US ↗
Source market: US · Checked 2026-10-20. No stock, price, or seller claim is made. Fit is not filtration performance.
Other models listed for the same part
- Blueair Classic 501
- Blueair Classic 503
- Blueair Classic 505
- Blueair Classic 510
- Blueair Classic 550E
- Blueair Classic 555EB
- Blueair Classic 580i
- Blueair Classic 603
One part listed for several models does not make those purifiers interchangeable.
Check the full model label in the finder →
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Cite this page
Use this text to cite the page. The last-updated date is the date of the latest change to its content.
Filter Ledger. “US Blueair Classic 601 Replacement Filter”. https://filters.toolatlas.app/en-us/filters/blueair-classic-601/. Last updated October 23, 2026.