Today only, Dyson via Rakuten offers its refurbished Dyson HP01 Pure Hot + Cool Desk Purifier, Heater, and Fan for $199.99. Coupon code "SAVE15" blows that down to $169.99. With free shipping, that's tied with our Black Friday refurb mention as the best price we've seen. (It's also the lowest price we could find today by $70 via another storefront). It features a vacuum-sealed glass HEPA filter that removes 99.97% of allergens, 9-hour sleep timer, and magnetic remote control.

Note: A 6-month Dyson warranty applies.