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Dyson Purifier Cool Autoreact logo

Dyson Purifier Cool™ AutoReact

Captures dust, allergens and H1N1 virus1

  • Removes 99.95% of ultrafine particles2
  • Purifies the whole room3
  • Sealed to HEPA standard – what goes inside, stays inside4
  • Captures H1N1 virus*

* We challenged our purifier with airborne influenza A (H1N1 virus) at an independent lab. After 60 minutes at maximum fan speed, the airborne concentration in the chamber was reduced by 99%. Real-life efficacy may vary.
Dyson Purifier Cool Autoreact

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Powerful circulation to purify the whole room

Only Dyson purifiers have Air Multiplier™ technology, to draw in distant pollutants and project purified air throughout the room.3

Aerial view of family room with Dyson purifier in action

Dyson purifiers are tested beyond the industry standard

We test our purifiers in a room size of 81m³, with nine sensors that continuously measure air quality. Some other manufacturers use a small 28.5m³ chamber, with only one sensor and a fan to boost circulation.

Dyson purifier inside Dyson test chamber with nine sensors
  • CADR test chamber

    Industry-standard test chamber – only 28.5m³


  • Polar test chamber

    Dyson POLAR test chamber – 81m³

Poor air quality isn't just a problem outside. It's a problem inside too.

From plant pollen and cooking fumes, to VOCs and benzene found in sprays and candles, our homes can trap pollutants in the air. That's why Dyson purifiers automatically sense and remove them.

Pollutant sources in a living space

Captures microscopic particles and gases

The fully-sealed filtration system captures many common household pollutants including pollen, bacteria and odours.

Images of pollutants

Senses and reports, automatically

Three sensors constantly analyse your air, while our unique algorithm cross-checks data every second. To precisely monitor, display and react to your air quality.

Internal sensing technology and LCD screen showing air quality

Captures and removes with HEPA filtration

HEPA filter captures 99.95% of particles as small as 0.1 microns.2 Activated carbon absorbs gases5, odours and VOCs.

Graphic of Dyson filtration system

The only purifier sealed to meet HEPA standard4

To prevent pollutants leaking back into the air, it's not just the filter that's sealed to HEPA H13 standard, it's the whole purifier.4 So what goes inside, stays inside.

Graphic showing fully sealed purifier

Additional features

  • Purified air exiting the back of the purifier

    Diffused mode. Purifies without cooling you.

    Airflow is diverted through the back of the machine, maintaining effective purification.

  • Dyson purifier in a dark bedroom with someone sleeping peacefully

    Night mode

    For lighter sleepers, it monitors and purifies using the quietest settings along with a dimmed display.

  • Dyson purifier in a bedroom

    20% quieter

    Acoustically engineered to reduce turbulence, so it's 20% quieter than the previous model.

  • Someone changing their filter

    Easy filter care

    Your HEPA+Carbon filter is easy to change and the LCD screen will alert you when it's time.

Frequently asked questions

Dyson engineers are perfectionists. Channelling our relentless dissatisfaction, we have re-engineered the Dyson Purifier range to be our first purifiers fully sealed to HEPA H13 standard. Capturing 99.95% of ultrafine particles and preventing pollutants from leaking back into the air you breathe.

We recommend replacing the HEPA+Carbon filter every 12 months. That's because over time, filters can get clogged with pollutants, and even let unpleasant odours back into the room. The machine will alert you when it’s time to change filters. A filter life reading can be found on the LCD screen.

User Manual

Check your user guide online or download a copy

Replacement filters, engineered for your machine

We recommend replacing your HEPA and carbon filter when your machine alerts you – so it continues to run effectively.

Carbon and HEPA filter

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