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Dyson listed the new models CADR as 70. I would believe that this model would fall under that category as well.
Sorry, there was a problem. Please try again later.Hello there, this is Kelly with Dyson. The Dyson Pure Cool purifier fan will clean the air in any size room. The bigger the room, the longer the machine will take to purify it as there is more air in the room. In a room of 139ft², the tower purifier fan will purify the room in 27 minutes. In a smaller room, it will take less time to purify the air; in a bigger room, it will take longer to purify the air. The Dyson Pure Cool™ also removes a range of contaminants from the air. It purifies to remove 99.97% of allergens and pollutants as small as 0.3 microns from the home. It also removes pollen, pet dander and odors such as cigarette smoke and cooking smells. The CADR Smoke Test is another variation of the ‘whole room purification test’ above, but is a test run by AHAM (Association of Home Appliance Manufacturers). Cigarettes are burnt in a room and the decay in particle count is measured at certain point. After calculation, a number is produced in cubic feet per minute to determine the Clean Air Delivery Rate (CADR) of the purifier fan. The higher the number, the more purified air is produced in cubic feet each minute. The CADR on the Dyson is 71 cfm. Best wishes, Kelly Dyson Customer Support
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