Ebay offers Dyson Purifier Hot+Cool™ Purifying Heating Fan HP4B | White/Silver | Refurbished for $239.99 (reg. $549.99) after code with free shipping. 

Apply Code: FAVEFINDS20

Product Description:
The Dyson Purifier Hot + Cool™ intelligently purifies, heats and cools you. The Dyson Purifier Hot+Cool™ purifying heating fan automatically senses and reacts to changes in air quality, then reports pollution in real time on the LCD screen and on your MyDyson™ app.² The 360° filtration system uses activated carbon to remove gases and odors and a HEPA filter to capture 99.97% of particles 0.3 microns in size