Air purifier filter research

Analysis shows presence of ultrafine pollutants in Delhi NCR homes^¹

Air inside your home may appear clean but it might not be. These potentially harmful pollutants can be as small as PM 0.1. They can creep in from outdoors and remain suspended in indoor air, even if we keep our doors and windows shut.

100% Presence of dust mites, pollen, mould spores, bacteria & skin cells in 100% homes we tested in
91% Presence of formaldehyde in 91% homes we tested in
161 Genus of bacteria found in 100% homes we tested in

^{¹ Delhi NCR (12 households). Dyson partnered with SGS, China to analyze used filters from Dyson Pure Cool Advanced Technology air purifiers. Usage between Aug’18 to Jan’19.}

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The most powerful, small format purifier.
Unique Dyson Hushjet™ air projection. Delivers quiet and powerful air projection to purify rooms upto 1076 sq.ft. Quietly.
Captures 99.97% of particles including viruses, allergens and mould.

360° Electrostatic + Air Purifier Filter 360° Activated Carbon Gas + Odour Air Purifier Filter

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Dyson Purifier Hot+Cool HP2 De-NOx (White/Gold) - HP12

Advanced air purification automatically captures 50% more NO₂¹. Even destroys formaldehyde.
Captures 99.95% of ultra-fine particles. Removes odours and gases.
Heats in winter. Cools you in summer.² Purifies all year.

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Air Purifiers

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Dyson Purifier Big+Quiet (White/Satin silver) - BP02

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Delivering HEPA purified air throughout rooms up to 1076 sq.ft.¹. Quietly.
Captures allergens, and 99.95% of pollutants as small as 0.1 microns
Hygienic filter replacement. HEPA Filter life of up to 5 years
Fully-sealed HEPA H13 grade filtration. So what goes inside, stays inside.
Dyson's most energy efficient purifier.

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Up to 5 year HEPA filter life.

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Automatically purifies and heats a whole room properly, capturing 99.95% of harmful pollutants as small as 0.1 microns.⁶

To simultaneously purify and heat a whole room properly, the Dyson Pure Hot+Cool™ air purifier goes beyond standard tests by automatically sensing pollution, capturing ultrafine pollutants, and projecting purified and heated air using Air Multiplier™ technology.⁶

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²https://erj.ersjournals.com/content/40/4/1033#sec-4
²https://www.cdc.gov/nceh/publications/books/housing/housing_ref_manual_2012.pdf
⁴https://www.aaaai.org/conditions-and-treatments/allergies/pet-allergy
⁵https://www.elsevier.com/locate/watres, http://dx.doi.org/10.1016/j.coviro.2016.11.006
⁶The standard purification and heating performance tests are AHAM AC1-2015 and IEC 60675 respectively. Dyson goes beyond these, by testing filtration efficiency (EN1822), air projection (DTM801), purification coverage in a 81m³ room with multiple sensors (TM-003711) and heating performance in a 35m³ room with multiple sensors (DTM 961).
⁷Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Capture rates vary.
⁸Tested for filtration efficiency at 0.1 microns (EN1822).
⁹Tested for air projection (DTM801), purification coverage in a 81m³ room (TM-003711), and heating performance in a 35m³ room (DTM 961).
¹⁰Requires device to run app, 2.4GHz or 5GHz Wi-Fi connection or mobile data, and Bluetooth 4.0 support. For app compatibility, please search for “Dyson Link” on the iOS App Store or the Google Play Store. Standard data and messaging rates may apply.