According to meteorologists (and the groundhog, of course), we still have some winter left to go. That means spending more time inside breathing stale air. Thats where the Dyson TP4A Pure Cool air purifier and tower fan comes in. Its just $179 right now for a factory refurbished model sold direct from Dyson by way of Walmart. Thats a little more than half of the normal price and you still get a one-year warranty. Even on Amazon, the refurbished model is $219 on sale.Dyson TP4A Pure Cool Tower Purifier Fan | White/Silver | Refurbished $179 (was $329)DysonSee ItAdvanced HEPA+ filters inside this modern-looking monolith pull all kinds of harmful particulates from the air, including dust and other annoying allergens. Dysons unique fan oscillates up to 350 degrees and silently pushes wind throughout your entire space. I have been using a version of this device with built-in humidification for several years now, and it has been great. The breeze is very pleasant, and the filter is easy to change. Go grab one of the refurbished models before they sell out.More air purifier deals from Dyson and beyondDyson TP07 Purifier Cool Connected Fan | White | Refurbished $229 (was $459)Dyson Pure Hot+Cool Air Purifier, Heater & Fan HP04 | White/Silver | Refurbished $299 (was $399)Dyson Purifier Cool Connected Tower Fan TP07 | White/Silver $580 (was $649)Coway Air Purifier Airmega 200M True HEPA with 361 sq. ft. Coverage in White $158 (was $197)Miko Air Purifier for Home Large Room, 1600 Sqft $179 (was $299)The post You can get a $329 Dyson air purifying fan for just $179 while they last appeared first on Popular Science.