The only air purifier to provide 24/7 protection against viruses and bacteria¹

Meet the Protect Family

Blueair Family sleeping in bed next to protect air purifier
Our most advanced air purifier.
Blueair Germshield icon
Kills² germs and prevents growth with GermShield™ technology
Blueair HepaSilent Ultra icon
HEPASilent Ultra™ provides maximum performance and energy efficiency
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Accurate filter life tracking with SmartFilters
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Customizable app-enabled features with voice control such as 'Welcome Home'
Blueair  Infographic transcript: (Icons left to right) Actively removesPM 2.5, Dust, Pollen,MOld, Pet Dander, bacteria and viruses, dust mites , vocs, chemicals. smoke, cooking odors
Meet the Protect family

The virus-fighter that works even when it is asleep.

Blueair Air purifier in a bedroom
Blueair Favorite things logo 2021
Oprah’s Favorite Things 2021
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Product Design 2021
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IF Design Award 2021
Two advanced technologies, perfectly paired

When your unit is turned on, HEPASilent Ultra™ filtration removes and kills 99% of germs³ on filter while delivering 50% more clean air with 10% less noise and 55% less energy than traditional true HEPA filtration.⁴ 



When your unit is on standby, GermShield™ technology proactively monitors your room, kills germs and prevents growth of bacteria on the filters.² 

Blueair Image of ionization of particles in HEPASilent Ultra technology next to depiction of GermShield technology in Protect air purifier
Blueair Covid particle
Captures 99.99% of SARS-COV-2 (COVID-19) in a 1,280ft³ room*

*Protect 7400 series tested to remove SARS-COV-2 in a 1280ft³ chamber, in 60 mins on high. Performed under standard laboratory conditions and actual performance may vary. Not proven to kill SARS-CoV-2 or prevent transmission of COVID-19.

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Fresh filters, delivered right on time

Join our Filter Subscription program with the purchase of any Blueair purifier or filter at no extra cost. Get access to exclusive discounts, and filters delivered to your door right when you need them.

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Free and fast shipping
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60 day home trial
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Free extended warranty
Independently proven performance
Blueair Quiet Mark
Quiet Mark Certified
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Rated as energy-efficient air purifiers.
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Zero Ozone Verified
(<5 ppb) by Intertek Sustainability Program.
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Verifide(R) for performance and Clean Air Delivery Rate (CADR).

¹24/7 protection refers to the key function of GermShield™ technology, that is activated when the unit is in standby mode. Tested to deactivate Staphylococcus albus (min. 83%) and MS2 bacteriophage (min. 89%) and prevents >99.99% Ecoli growth on filter. Not proven to kill SARS-CoV-2 or prevent transmission of COVID-19. 



² Tested to deactivate Staphylococcus albus (min. 83%) and MS2 bacteriophage (min. 89%) and prevents >99.99% Ecoli growth on filter. Protect 7400 series shown to remove 99.99% of airborne SARS-CoV-2 in an 13 ft3 test chamber. Not proven to kill SARS-CoV-2 or prevent transmission of COVID-19. 


³ Tested on E.coli  


⁴Based on tests in a Protect 7400 model comparing mechanical (Blueair SmartFilter) and electrostatic filtration with only mechanical (H13 filter) filtration, producing higher CADR (GB/T18801-2015), lower noise level (ISO3743), and lower energy consumption (ANSI/AHAM AC-1).