Dyson Purifier Big + Quiet Formaldehyde Air Purifier (PURIFIERBIG+QUIETFOR)

Destroys formaldehyde, permanently

A catalytic filter continuously traps and breaks down formaldehyde molecules into water and CO₂⁴. And it never needs replacing.

Long-range projection and circulation

Our latest purifier uses cone aerodynamics to deliver powerful, long-range projection – circulating air and driving even distant pollutants back through sealed filters. For whole-room purification, even in large spaces.

Quiet, even at full power

An acoustically engineered motor bucket records just 56dBA of sound power at full-speed. With no compromise on performance.

Adjust your airflow

Adjust the angle of airflow at 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 gives you autonomy over your air quality. View which particles have been captured, set schedules, browse reports, and more.

Auto mode

With the Auto mode feature, your purifier can sense, capture and report on pollutants in your home in real-time.

Hygienic filter replacement

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

Discreet wheels

Easily manoeuvre your machine across a room. Designed for hard surfaces, the wheels are completely hidden from view.

Smart home purification

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