Save 56% on a refurbished Dyson air purifier that also cools your space

*SAVE $280*: A refurbished Dyson Pure Cool Link TP02 is on sale for an all-time-low $219.99 at Walmart as of April 21. That's less than half its original cost — and a solid way to help the environment for Earth Week.

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There are plenty of ways to celebrate Earth Week, but buying refurbished...