Family or catalog listing · confirm your exact model
Blueair Classic 303 replacement filter
Documented OEM reference: Classic 200 Series Particle Filter · 201PF
303 appears only in the page header list; the FAQ list on the same page omits it.
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 203
- Blueair Classic 203 Slim
- Blueair Classic 205
- Blueair Classic 270E
- Blueair Classic 270E Slim
- Blueair Classic 280i
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 303 Replacement Filter”. https://filters.toolatlas.app/en-us/filters/blueair-classic-303/. Last updated October 23, 2026.