1NO2 - Tested to Dyson test method TM-003387. In a 3 cubic meter test chamber, at fan speed 10, at third-party test laboratory (Fraunhofer WKI), comparison against regular activated carbon performance.
2Fan not air-conditioning unit.
3Ultra-fine particles- Tested for filtration efficiency at 0.1 microns (ISO29463).
4Gases- Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Gas capture rates vary.
5Third 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.
6Advance purification- Tested for filtration efficiency (EN1822), air projection (DTM801), purification coverage in a 81m3 room (TM-003711) and heating performance in a 35m3 room (DTM 961).
7In maximum setting. Tested for air projection (DTM801), purification coverage in a 81m3 room (TM-003771) and heating performance in a 35m3 room (DTM961).
80.1 microns- Particle challenge by DEHS oil specified in ISO29463 within a chamber specified in ASTM F3150. Tested in Max Mode at SGS IBR US, for whole machine efficiency above 99.95%.
9App functionality may vary per market. Requires Wi-Fi and app enabled device. Standard data and messaging rates may apply. Requires iOS version 15 or above, or Android version 8 or above. Your mobile device must have Bluetooth 4.0 support. Refer to the MyDyson app for compatible voice services.