Exact model stated by the manufacturer
Blueair Blue Pure 221 replacement filter
Documented OEM reference: Blue Pure 221 Series Particle + Carbon Filter
UK page; US 211+ filter JSON description also mentions 'Pure 221' but the US page text does not.
Limits. UK listing; the same page's FAQ also mentions the 211/211+, so US fit is not separately confirmed.
Blueair official product page · UK ↗
Source market: UK · Checked 2026-10-20. 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. “UK Blueair Blue Pure 221 Filter in the UK”. https://filters.toolatlas.app/en-gb/filters/blueair-blue-pure-221/. Last updated 23 October 2026.