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Both the built-in screen and phone app show detailed graphics for formaldehyde, specifically, as well as for other allergens as measured by the appliance
Sorry, there was a problem. Please try again later.Hi Will, this is Kelly with Dyson. The Dyson Purifier Hot+Cool Formaldehyde has two sensors; one to measure temperature and humidity and one to precisely detect formaldehyde for the lifetime of the machine. The built-in catalytic filter destroys formaldehyde, and the fully sealed HEPA filter captures bacteria, pollen, allergens and the like, ensuring the air you breath is cleaner and safer. Kind regards, Kelly Dyson Customer Support
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