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Dyson Purifier Hot and Cool Formaldehyde Purifier Fan Heater939/5390

Rating 5 out of 5
Read reviews (12)
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Dyson Purifier Hot and Cool Formaldehyde Purifier Fan Heater
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  • £599.99

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About this product

Captures dust, allergens and bacteria. Even destroys formaldehyde. Fully-sealed to HEPA standard – what goes inside, stays inside. Powerful circulation to purify the whole room. Senses and reports automatically to precisely diagnose, display and react to your air quality. Captures and destroys with advanced HEPA filtration. The HEPA plus Carbon filter captures gases and 99.95% of particles as small as 0.1 microns. Our catalytic filter continuously destroys formaldehyde.

The only purifier fully sealed to HEPA H13 standard. 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.

Destroys formaldehyde in billions of catalytic tunnels. Dyson's unique catalytic filter continuously traps and converts formaldehyde into water and CO2. And it self-regenerates, so it never needs replacing.

Heats in winter. Cools you in summer. Smart purification, controlled by app or voice. Control and monitor air quality from anywhere with the Dyson Link app. Diffused mode to purify without cooling you. Oscillates up to 350 degree. Night mode and sleep timer. Suitable for room size up to 81m3.

  • Noise level 63dB.
  • Quiet operation.
  • 10 speed settings.
  • Auto shut-off.
  • HEPA filter.
  • 99.95% filtration rate.
  • Filter included.
  • Night light.
  • Size H76.4, W20.5, D13cm.
  • 1.8m cable.
  • 40 watts.
  • Manufacturer's 2 year guarantee.
  • EAN: 5025155057254.

The small print

*Prices correct as displayed but are subject to change.


The customer and brand answers you’ll see above are submitted independently. As we don’t review these answers, we can’t take responsibility for anything they may say. The responses from Argos colleagues are accurate at the time of publishing. For the latest info, you should check the product page.


This product comes with a minimum one year manufacturer’s guarantee, unless otherwise stated in the specification above.