The Dyson Purifier Big+Quiet Formaldehyde BP03 is our biggest air 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†. The BP03 removes gases and odors††and destroys formaldehyde, permanently.¶
Need help choosing? View our Dyson air purifiers comparison chart. | Large format purifier with HEPA H13 grade filtration |
| Projects air over 32 feet and purifies large spaces* |
| Detects and destroys formaldehyde, permanently¶ |
| Control and monitor your air quality from anywhere using the MyDyson™ app§ |
| HEPA H13¶ grade filter is 3.8 times larger than previous generation and lasts up to 5 years |
| Breeze mode recreates the feeling of natural air indoors |
| Program your machine to turn off after preset intervals, between 30 minutes and 8 hours |
| Do Not Disturb mode monitors and purifies using the quietest settings, with a dimmed display |
*Testing for PM2.5 purification completed in a large testing chamber following relevant Dyson testing methods; results may vary in practice
†Particle 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%
††Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2); gas capture rates vary
¶Third 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
§Requires 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. Refer to the MyDyson™ app for compatible voice services.