Works with HEPASilent™ Technology to remove up to 99.97% of tiny airborne particles while carbon filtration.
A filter replacement indicator lets you know when it’s time for a fresh filter, typically after about six months of use.
Blue Pure 311 Auto Series Filter
Smokeblock
Fast & free shipping
30-day returns
Extended warrantyFeatures & Technologies
- Particle + Carbon filtration tackles everyday particles and light household odors.
- Main filter captures PM2.5, pollen, dust mite matter and pet dander allergens.
- Activated carbon traps light odors from smoke, cooking and more.
- 6-month replacement cycle keeps routine maintenance straightforward.
- Filter replacement indicator lets you know when it’s time for a fresh filter.
- Easy replacement design makes routine filter changes simple.
Product Notes
¹ Tested on PM 2.5 up to 90 mins
² Based on ELISA deactivation testing of Pollen (Cry J1), Pet Dander (Fel d1, Can F1), Dust Mite Matter (Der f1) on the filter media in 60 minutes.
³ Compared to standard in-unit filter. Based on removal testing of particles 0.4-0.7 μm in 60min in a 30m3 room. Performance may vary. Odors: Tested on benzene, toluene, nitrogen oxide, sulfur dioxide in 30 min.
⁵ AllergenBlock refers to inanimate allergens pollen, dust and pet dander
Works with HEPASilent™ Technology to remove up to 99.97% of tiny airborne particles while carbon filtration.
A filter replacement indicator lets you know when it’s time for a fresh filter, typically after about six months of use.
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Main filter
The Particle + Carbon filter provides protection against odors, chemicals, gases and 99.97% of airborne pollen, dust and germs.
Extra Activated carbon
The Particle + Carbon filter provides protection against odors, chemicals, gases and 99.97% of airborne pollen, dust and germs.
FAQ
What Blueair air purifier is compatible with this filter?
This filter is compatible with the Blue Pure 311 Auto air purifier.
How do I reset my filter replacement indicator (red light) on my Blue Pure air purifier?
A red filter replacement indicator appears on the air purifier when it is time to change filter, after about 6 months of operation.
After you replace your filter, press the center button down to reset the filter light indicator until the red light disappears. It usually takes 7-10 seconds and may take up to 30 seconds depending on the model.
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