Dyson Purifier Big + Quiet Formaldehyde BP03 (Bright Nickel/Prussian Blue)

Key features

Powerful projection to cool you in summer³

Cone aerodynamics for powerful, long-range air projection. Delivers more than 21 gallons of purified air per second. To cool you and purify the whole room.

Quietly purifies, even at full power

Our quietest purifier is acoustically engineered to produce less noise. With Night mode that’s 50% quieter than any other Dyson purifier.

Adjust your airflow

Adjust the angle of airflow between 0°, 25° or 50°, or mimic the feeling of refreshing air indoors using Breeze mode.

Control your air quality wherever you are

The MyDyson™ app lets you monitor your home’s air quality from anywhere, see what’s been captured, set schedules, browse reports, and more.⁵

Auto mode

In Auto mode, your purifier reacts automatically to remove pollutants, only using energy when needed.

Hygienic filter replacement

A hygienic replacement mechanism allows you to dispose of the HEPA filter in one click.

Easy to manoeuvre

Discreet, hidden wheels designed for hard surfaces let you easily move your machine around the room.

Smart home purification

Connect and then control your air quality, hands-free, with compatible smart home voice services.⁵

Senses and captures pollutants, projects purified air

Advanced sensing. Unique algorithms.

A suite of sensors interact with our unique algorithm, cross-checking data every second, to automatically detect different pollutants, and report live results on the LCD screen or MyDyson™ app.⁵

Fully-sealed to HEPA H13 grade⁹

Three phases of purification sit within our fully-sealed machine to trap pollutants inside, removing them from the air you breathe. Giving you reassurance that what goes inside, stays inside.

Cone aerodynamic projection

Drives high-velocity air jets over the machine’s dome which coalesce to project a focused stream of air. To purify large spaces, quietly¹​ Or cool you when required.³

Many indoor activities can emit pollution. Cleaning, decorating, cooking, even getting ready for work can produce airborne particles and gases.

VOCs from aerosols and cleaning products

Household cleaning sprays and disinfectants can release volatile organic compounds (VOCs).

Formaldehyde fumes from paints and glues

Formaldehyde is a potentially harmful gas released by some furniture, paints, glues, carpets and fabrics.

Cooking odors and combustion pollutants

Cooking doesn’t just leave lingering odors, it can also release pollutants like NO₂ when any fuel is burned. Which can build up in your home.

Pet odors, allergens* and dander

Pets can bring unwanted allergens and odors into the home, which can stay in the air and settle on furniture.