Blueair
311 Auto Particle + Carbon Filter
311 Auto Filter
In stock at last check
Image from blueair.com
Blueair genuine replacement filtration.
- Filter type
- True HEPA, Activated Carbon, Pre-Filter
Verified to fit these purifiers
- Blueair Blue Pure 311 Auto
Blue Pure 311 Auto
Exact FitCompatibility evidence
Exact replacement-filter compatibility confirmed using official manufacturer information.
Last verified August 20, 2026
- Honeywell HPA100 Filter Kit(opens in a new tab)— Manufacturer filter page
- Honeywell HPA8350(opens in a new tab)— Manufacturer product page
- Blueair 311 Auto Particle + Carbon Filter(opens in a new tab)— Manufacturer filter page
Where to buy
- Buy at Blueair(opens in a new tab)
Blueair
Blueair 311 Auto Particle + Carbon Filter
$39.99In stock at last checkChecked August 22, 2026
Prices and availability are shown as last recorded and can change at any time. Confirm both on the seller's page before ordering.