Dyson fans cost several hundred dollars, so we were surprised to see the Dyson Pure Cool Tower TP4A at just $149.99.

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And one, I might add, that also filters out formaldehyde. It's the successor to Pure Hot + Cool, logically enough ... scary-looking graphs on the Link app. Dyson's Link app was quite a buggy ...

The Home Depot, Best Buy, and other retailers are offering discounts like $200 off the Dyson Pure Cool Link Tower TP02 Purifier Fan. While Dyson made a name for itself with its line of powerful ...

The T3 Dyson Pure Humidify + Cool review in a sentence ... you just need to replace the two filters every year or so or when the Dyson Link app tells you to. I was very impressed with this ...

You can get a Dyson Pure Cool Tower TP4A for just $149.99 ... It uses carbon and Glass HEPA filters to remove gases, 99.97% of microscopic allergens, and pollutants as small as 0.3 microns.