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Dyson Purifier Cool Autoreact TP7A (White/Silver)
Latest technology

Dyson Purifier Cool Autoreact TP7A (White/Silver)

Was HK$4,580.00 HK$4,080.00 Save HK$500.00
Dyson Purifier Cool Autoreact TP7A (White/Silver)

Captures H1N1, H3N2, EV71 viruses,7bacteria & allergens

Removes 99.95% of pollutants as small as 0.1 microns.1

Free delivery

2-year guarantee

Captures H1N1, H3N2, EV71 viruses,7bacteria & allergens*

* 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.


  • Internal sensing technology and LCD screen showing air quality

    Senses and reports automatically

    Integrated sensors constantly analyse your air, while our unique algorithm cross-checks data every second. It diagnoses pollutants at a molecular level, displaying live results on the LCD.

  • Graphic of Dyson filtration system

    Captures gases and ultrafine particles

    The HEPA H13 filter captures 99.95% of particles as small as 0.1 microns.1 A layer of activated carbon also removes odours and gases including VOCs.2

  • Graphic showing fully sealed purifier

    Sealed to HEPA standard

    In our latest purifiers, it's not just the filter that meets HEPA H13 standard, it's the whole machine.4 So what goes inside, stays inside.

  • Dyson purifier purifying a large living space

    Purifies the whole room

    Only Dyson purifiers have Air Multiplier™ technology. It generates the circulation power to draw even distant pollutants into the machine, projecting purified air throughout the room.3


  • Image showing powerful, cooling airflow

    Cools you in summer

    In warmer weather, a powerful stream of purified airflow can cool you down.

  • Purified air exiting the back of the purifier

    Diffused mode

    Diverts airflow through the back of the machine. To purify, without cooling you.

  • Dyson purifier cooling the whole room

    Now 20% quieter

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

  • Arrows showing 350 degree oscillation

    Oscillates up to 350°

    Adjustable oscillation projects purified air around the whole room.

  • Dyson purifier in a dark bedroom with someone sleeping peacefully

    Night mode

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

  • Someone changing their filter

    Easy filter care

    The filter is quick and easy to change. With automatic filter-life notifications on the LCD.

  • Remote control on top of the purifier


    Curved and magnetised to store neatly on top of the machine.

  • Asthma and Allergy Friendly

    Purifier Cool Autoreact is certified asthma & allergy friendly™ by Allergy Standards Limited.

  • Allergy-friendly products

    Purifier Cool Autoreact is certified with the ECARF seal. It’s a special certification for allergy-friendly products.


  • Cord length 1.8m
  • Height 1050mm
  • Length 120mm
  • Width 204mm
  • Weight 4.65kg
  • Base diameter 220mm
  • Decibel level 61.5
  • HEPA filter Glass HEPA Media
  • Amp diameter 204mm

Choose your model

Latest technology
  • Captures H1N1, H3N2, EV71 viruses and 99.95% of pollutants as small as 0.1 microns
  • Fully sealed to HEPA H13 standard filtration
  • Whole-room purification for larger spaces
Was HK$4,580.00 HK$4,080.00 Save HK$500.00

Filter replacements

Find the right filter for your purifier.

1 Tested for filtration efficiency at 0.1 microns (EN1822, ISO29463)
2 Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Capture rates vary.
3 In maximum setting. Tested for air projection, purification coverage in a 81m3 room.
4 Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%.
5 Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply.
6 Testing was done in third party lab SGS, refer to GB 21551.3 but challenge changed to related virus, testing in a 30m³ chamber with machine speed 10. Got the result over 96% for H1N1, H3N2, EV71 viruses. The actual result may vary in practice.
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