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  • 1 Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%.
  • 2 HEPA filter tested to EN1822-5, by an independent testing laboratory, under prescribed test conditions.
  • 3 Applies in Eco mode when using a non-motorised tool.
  • 4 We challenged our purifier with airborne influenza A (H1N1 virus) at an independent lab. After 60 minutes at maximum fan speed, the airborne concentration in the chamber was reduced by 99%. Real-life efficacy may vary.
  • 5 Tested for filtration efficiency at 0.1 microns (EN1822). Gas capture rates vary.
  • 6 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
  • 7 D. R. PATRICK, G. FINDON and T. E. MILLER: Residual moisture determines the level of touch contact associated bacterial transfer following hand washing, Epidemiol. Infect. (1997): 119, 319-325.
  • 8 The environmental impact of electrical appliances and paper towels was measured by Carbon Trust. The calculations were produced using the software Footprint Expert Pro, based on product use over 5 years and using weighted averages of individual countries of use. Dry times for product were evaluated using DTM 769.
  • 9 Average electricity price £0.1/kWh as of October 2021. For calculations visit www.dyson.co.uk/calcs.
  • 10 Suen et al. 2019 SR and based on bacteria in air and aerosols (0.3 to >5 microns) measured during hand drying in 28.5 m³ test chamber, in a study conducted by independent third-party laboratory.
  • 11 In Eco mode on hard floor. Run time will vary based on power mode, floor type and/or attachments used. 120 minutes run time is based on consecutive use of two separate battery packs. Additional battery and charger, available to buy separately on the Dyson website.
  • 12 Quantity and size of dust displayed on screen varies depending on usage. Examples shown may occur within one or more displayed size range. Increase in suction power is only experienced in Auto mode when triggered by increased concentration of dust according to Dyson internal test method. Technology is optimised for Auto mode with a powered cleaner head. Particle size and densities vary.
  • 13 Quantity and size of dust displayed on screen varies depending on usage. Examples shown may occur within one or more displayed size range.
  • 14 Suction tested to EN IEC62885-4 CL5.8 and CL5.9, tested at the flexible inlet, loaded to bin full, in Boost mode against the cord-free stick market. (Sales data from Apr 2020 to Mar 2021).