Exact model stated by the manufacturer
Blueair Blue Pure 311 Auto replacement filter
Documented OEM reference: Blue Pure 311 Auto Series Filter
Blueair states this replacement filter is compatible only with the Blue Pure 311 Auto air purifier.
Limits. This fit claim is specific to the Auto model. A similar 311 name is not enough to establish compatibility.
Blueair official product page ↗
Source market: US · Checked 2026-10-19. No stock, price, or seller claim is made. Fit is not filtration performance.
Check the full model label in the finder →
Related guides
- How to Find Your Air Purifier Model Number
- Filter Fit vs Filtration Performance
- Air Purifier Filter Light and Reset Guide
- Clean and Replace Air Purifier Filters
Blueair
Blueair replacement filters by model →
- Blueair Blue Pure 211+
- Blueair Blue Pure 211 (original)
- Blueair Blue Pure 211i Max
- Blueair Blue Pure 411i Max / 411i+ Max / 411a Max
- Blueair Blue Pure 511i Max
- Blueair Blue Pure 411
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 311 Auto Filter”. https://filters.toolatlas.app/en-us/filters/blueair-blue-pure-311-auto/. Last updated October 23, 2026.