Key features
50% quieter, even at full power
Acoustically engineered to produce less noise. Night mode is 50% quieter than any other Dyson purifier. With a Sleep timer so you can set it and forget it.
Powerful projection to cool you down
Delivers over 21 gallons of purified air per second. Adjust the angle of airflow between 0°, 25° or 50°, or mimic the feeling of refreshing air indoors using Breeze mode.
Long-lasting filter
The HEPA H13-grade filter lasts up to 11 years.⁹ Remove and dispose in one click.
Control via the app
Monitor what’s been captured, set schedules, browse reports, and more with the MyDyson™ app.⁵
Always sensing
In Auto mode, your purifier reacts automatically to remove pollutants, only using energy when needed.
Alerts you to high CO₂ levels
Reports and alerts you when CO₂ levels are harmfully high.
Easy to manoeuvre
Discreet, hidden wheels designed for hard surfaces let you easily move your machine around the room.
In the box
Dyson Purifier Big + Quiet Formaldehyde BP04 (Prussian Blue/Gold)
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HEPA filter
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Remote Control
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Dyson K-Carbon Filter
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