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Blueair Blue Pure 511i Max replacement filter
Documented OEM reference: Blue Pure 511i Max filter family
Blueair's official catalog lists several dedicated filter variants under the Blue Pure 511i Max name; the product family listing is used here as series-level evidence.
Blueair official filter catalog · US ↗
Source market: US/Canada · Checked 2026-10-19. No stock, price, or seller claim is made. Fit is not filtration performance.
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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 Blue Pure 511i Max Filter”. https://filters.toolatlas.app/en-us/filters/blueair-blue-pure-511i-max/. Last updated October 23, 2026.