Bestbuy offers Shark - Air Purifier MAX with True NanoSeal HEPA, Cleansense IQ, Odor Lock, Cleans up to 1200 Sq. Ft - Charcoal Grey for $179.99 (orig. $279.99) free shipping.

Product Description:
The Shark Air Purifier uses Pure Air Microforce to deliver fast,powerful, and quiet purification. Clean Sense IQ senses air quality& auto-adjusts to improve air quality and report results in realtime. A HEPA filter captures 99.98% of airborne particles likeallergens*, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2microns). Cleans up to 1200 square feet.