“Why is the CDAR SO LOW.????? ITHEY SAY A GOOD RATE IS 500-600 DO YOU HAVENONE LIKEVTHAT”
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Hello Rhonda, this is Kelly with Dyson. CADR stands for Clean Air Delivery Rate. This is the volume of filtered air delivered by a purifier in a given time frame. This measurement does not represent the quality of the air leaving the unit, only how much. For this reason it is largely irrelevant as a measure. This does not in any way represent a machine's ability to effectively mix the purified air with the ambient air in the room. CADR testing is performed in an empty room, with a ceiling fan simulating air movement - this is not indicative of the live environment our products are used in. We hope this helps. Best wishes, Kelly Dyson Customer Support
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