Tested to DTM-004533.
 'Third party full machine testing based on GB/T 18801-2015 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldehyde CADR is achieved. Results may vary in practice.
 Humidifiers: ease skin, breathing symptoms. MayoClinic.org.
 Dyson’s product filtration efficiency at MPPS achieved 99.95% H13 HEPA level defined by EN1822, compared to the purifiers based on market data [from March 2020]. Product filtration efficiency tests conducted at IBR US within a chamber specified in ASTM F3150, under max mode and using particles challenged by DEHS oil according to EN1822.
 We challenged our purifier with airborne influenza A (H1N1 virus) at an independent lab. After 60 minutes in a chamber, at maximum fan speed, the airborne virus was reduced by 99%. Real-life efficacy may vary. Gas capture rates may vary
 Based on fan speed 1
 Tested for purification coverage in an 81m³ chamber. Tested for humidification coverage in a 41m³ chamber.
 In maximum setting. Tested for air projection, purification coverage in a 81 m³ room.
 Requires device to run app, Wi-Fi or mobile data, Bluetooth ® wireless technology 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply.
 Refer to the Dyson Link app for compatible voice services