From the manufacturer
Quiet, even at full power
Acoustically engineered to operate quietly – even at its highest power setting.
Advanced 360° filtration system
Captures 99.97% of fine particles as small as 0.1 microns. Removes gases and odors.²
Long-range projection and circulation
An energy-efficient system which projects air over 32 feet and purifies large spaces,¹ quietly.
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.⁵
Auto-mode
With the auto-mode feature, your purifier can sense, capture and report on pollutants in your home in real time.
Discreet wheels
Easily maneuver your machine across a room designed for hard surfaces, the wheels are hidden from view.
Hygienic filter replacement
A hygienic replacement mechanism allows you to dispose of the HEPA filter in one click.
Product Description
The Dyson Purifier Big+Quiet Formaldehyde is our biggest purifier yet, engineered from the ground up, to evenly purify large spaces.¹ 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.² Destroys formaldehyde, permanently.³
¹Testing for PM2.5 purification completed in a large testing chamber following relevant Dyson testing methods. Results may vary in practice.
²Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Gas capture rates vary.
³Third 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.
⁴Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode for whole machine efficiency above 99.95%.
⁵Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply.