The Shark Air Purifier MAX 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 real time. Our Anti-Allergen HEPA filter is designed to tackle a wide array of air contaminants with precision. From smog, toxins, and VOCs to wildfire smoke and more, experience comprehensive purification for healthier indoor air quality (based on IEST-RP-CC007.3, 0.1-0.2 microns). Cleans up to 1000 square feet.