Dyson proves no loss of suction and pick up performance using results from IEC60312 Cl 2.2, 2.3, 2.8, 2.9, ASTM F2607, F608 and F558, and DTM755 - an independently conducted Dyson test

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The following Dyson uprights on Dyson.com have been certified asthma & allergy friendly™: DC14, DC17, DC24 and DC25. The accessories that come with Dyson vacuums are not yet certified as asthma or allergy friendly™.