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Find the Blueair model name on the label inside your air purifier.
Dirty filters clean the air less efficiently. Sign up for a filter subscription and get fresh filters delivered right when you need them.
Main filter
Captures airborne particles, including pollen, dust & pet dander allergen
AllergenBlock Defense Coating
Neutralizes over 90% of allergen properties that trigger discomfort
Activated carbon
Traps light household odors
This filter is compatible with the following Blue family models:411, 411+, & 411 Auto.
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.
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