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The Dyson Big+Quiet Formaldehyde BP03 air purifier repels a jet of smoke in a lab test.

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Care, from the people who made it.

1Third 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.
2Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Capture rates vary.
3Tested for filtration efficiency at 0.1 microns (EN1822, ISO29463)

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