Price links open sponsored eBay searches for the exact part number.
Before you order
How to buy the right Blueair Blue Pure 221 filter
Confirm the label on your purifier reads Blue Pure 221.
Make sure the listing names part F211PACF101652, not just a similar-looking filter.
Check the pack size and pieces included. Genuine and third-party filters can differ.
Compare the total price with shipping, plus the seller's feedback and delivery estimate.
Care guidance
Replacement schedule
Blue Pure 211+ Series Particle + Carbon Filter F211PACF101652: Blueair recommends replacing the filter about every 6 months of continuous operation.
Usage and air quality can affect service life. Follow the cited manufacturer guidance for each part.
Frequently asked questions
What filter does the Blueair Blue Pure 221 use?
The Blueair Blue Pure 221 uses Blue Pure 211+ Series Particle + Carbon Filter (F211PACF101652). Each part number on this page is backed by an official Blueair source.
How often should I replace the Blueair Blue Pure 221 filter?
Blueair recommends replacing the filter about every 6 months of continuous operation.
Where can I check replacement filters for the Blueair Blue Pure 221?
This page links directly to the cited official Blueair product page and shows sponsored individual eBay listings when a fresh exact-part snapshot is available, with an exact-part eBay search fallback. This site does not sell filters; match the part number and review the current source or seller listing before buying.
Official compatibility record
Manufacturer evidence
Each compatibility and care statement below is reproduced from the cited official manufacturer record. Check the source again before ordering.
Blue Pure 211+ Series Particle + Carbon Filter F211PACF101652
Official Blueair documentation identifies Blue Pure 211+ Series Particle + Carbon Filter, SKU F211PACF101652, as compatible with Blue Pure 211, Blue Pure 211+, and Blue Pure 221 (not compatible with 211+ Auto).
