The Dyson Purifier Big+Quiet Formaldehyde is our biggest purifier yet, engineered from the ground up, to evenly purify large spaces. Cone aerodynamics creates a condensed jet of air to project purified air over 32 feet. 

Quietly. An advanced 360 HEPA H13 grade filter captures allergens and 99.97% of fine particles. 

Removes gases and odors.

Destroys formaldehyde, permanently.

Large format purifier with HEPA H13 grade filtration.
With HEPA H13 grade filtration.

Projects air over 32 feet
Purifies large spaces.

MyDyson app
Control and monitor your air quality from anywhere using the MyDyson app.

Long-lasting HEPA H13 grade filtration
HEPA H13⁴ grade filter is 3.8x larger than previous generation and lasts up to 5 years.

Breeze mode
Breeze mode recreates the feeling of natural air indoors.

Preset run time
Program your machine to turn off after preset intervals, between 30 minutes and 8 hours.

Quiet performance
Do not disturb mode monitors and purifies using the quietest settings, with a dimmed display.