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. A HEPA filter captures 99.98% of airborne particles like allergens*, dust, and dander (based on IEST-RP-CC007.3, 0. microns). Cleans up to 1000 square feet. * Allergens refers to non-living matter.Shark Air Purifier MAX 1000 Sq Ft HEPA Air Purifier, White Powerful purification with a fast fan delivering 4 speeds based on air quality Exceeds HEPA standards with Anti Allergen NANOSEAL capturing 99.98% of micropollutants Clean Sense IQ tracks air quality and automatically adjusts power for optimal performance Large room coverage, effectively cleans up to 1000 square feet Provides relief from common air pollutants such as dust, dander, allergens, and smoke Ultra-quiet operation with dimmable lights for minimal sleep interruption User-friendly control panel displays real-time air quality, filter life, fan speed, and eco mode Replacement filters needed every 6 to 12 months for optimal functionality Includes Shark Air Purifier and Nanoseal HEPA Filter