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Specifications

  • Weight

    11.9 kg

Front and side view of the Dyson Purifier Big+Quiet Formaldehyde purifying fan.
  • Height

    830 mm

  • Length

    434 mm

  • Width

    415 mm

In the box

Dyson Purifier Big+Quiet Formaldehyde BP03 Purifying fan (Nickel/Blue)

Dyson Purifier Big+Quiet Formaldehyde BP03 Purifying fan (Nickel/Blue)

  • 430,000m² of activated carbon removes odours and gases, including NO² – a common and potentially harmful household pollutant. Lasts two years.

  • HEPA H13 grade filter

Frequently asked questions

What makes the Dyson Purifier Big+Quiet Formaldehyde different from other air purifiers?

The BP03 is Dyson’s quietest and most powerful air purifier, engineered for large spaces up to 100m². It uses advanced cone aerodynamics for long-range air projection and features a three-stage filtration system (HEPA H13-grade, Activated Carbon, and Selective Catalytic Oxidisation) to remove gases, odours, dust, allergens, viruses, bacteria, and even formaldehyde. It also cools you in hot weather and is designed for quiet operation. 

How effective is the BP03 at removing pollutants and allergens?

The BP03 captures 99.95% of ultrafine particles as small as 0.1 microns, such as dust, pollen, pet dander, mould spores, and smoke. It also removes gases like benzene and nitrogen dioxide and continuously destroys formaldehyde. The purifier is proven to capture 99.9% of viruses. 

Does the BP03 help with odours and VOCs?

Yes, the advanced filtration system includes an Activated Carbon filter that removes odours and volatile organic compounds (VOCs) from sources like cooking, cleaning products, and pets. 

How quiet is the BP03 in operation?

The BP03 is acoustically engineered to be 50% quieter than any other Dyson purifier, even at full power. Night mode further reduces noise for undisturbed sleep.  

How do I clean or replace the filters, and how long do they last?
  • HEPA H13-grade filter: Lasts up to 11 years (based on 12 hours use per day; actual life may vary).

  • Activated Carbon filter: Lasts up to two years.

  • Selective Catalytic Oxidisation (SCO) filter: Permanent and never needs replacing. Filters are easy to remove and replace with a one-click mechanism. 

Where should I place the BP03 for best results?

For optimal performance, place the BP03 in a corner of the room, at least one metre away from the wall. Project air along a wall or across the room and adjust the angle of projection as needed. The discreet wheels make it easy to move the purifier around hard floors. 

Can I control the BP03 remotely or via an app?

Yes, the BP03 comes with a remote control and can be managed via the MyDyson™ app. The app lets you monitor air quality, set schedules, and view reports from anywhere. 

Does the BP03 provide heating or cooling?

The BP03 cools you in hot weather by projecting purified air, but it does not have a heating function.

What maintenance does the BP03 require?

Regularly check the filter status via the app or display. Replace filters as recommended. The machine is designed for easy maintenance, with filters that are simple to access and replace. 

How energy efficient is the BP03?

In Auto mode, the BP03 uses energy only when needed. It reacts automatically to air quality changes and is designed for efficient purification of large spaces.

What support is available for BP03 owners?
You can register your machine, explore accessories, find the right part, and access expert support online. The Dyson Community and Digital Assistant are also available for troubleshooting and advice.
  • 1 The ability of purifying a large room up to 100m2 (10m*10m) proven from a Computational Fluid Dynamics (CFD) modelling, with the purifier placed in a corner of the room running at the maximum flow and horizontal projection reaching 10 metres to fully mix the room. The projection distance was measured from internal flow reach testing under the maximum directional airflow. The actual performance in real life condition may vary.
  • 2 Tested for filtration efficiency at 0.1 microns (EN1822, ISO29364).
  • 3 Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Gas capture rates vary.
  • 5 Third party full machine testing based on GB/T 18801-2022 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldehyde CADR is achieved. Results may vary in practice.
  • 6 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%.
  • 8 App functionality may vary per market. Requires Wi-Fi and app enabled device. Standard data and messaging rates may apply. Requires iOS version 10 or above, or Android version 5 or above. Your mobile device must have Bluetooth 4.0 support.
  • 9 Levels defined by Dyson based on scientific literature. Ventilation alert when CO2 levels are 1500ppm or above.
  • 11 In Auto mode.