Best Buy has the Dyson TP02 Pure Cool Link Tower 400 Sq. Ft. Air Purifier as their Deal of the Day – save $200!  A dimming LED display and quiet operation make this purifier ideal for use in your bedroom, and the integrated fan delivers a burst of cool air on hot evenings. Created to remove 99.97 percent of allergens, this Dyson Pure Cool air purifier lets you breathe easy year-round.