The Shark Air Purifier uses Pure Air Microforce, HP200 to deliver fast, powerful, and quiet purification. Clean Sense IQ senses air quality and auto-adjusts to maintain clean air in your home, while reporting results in real time. A HEPA filter captures 99.98% of airborne particles like allergens*, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2 microns). Cleans up to 1000 square feet, based on 1 air change per hour. Perfect for large bedrooms, kitchens, living rooms, and more. *“Allergens” refers to non-living matter.