POWERFUL PURIFICATION: Pure Air Microforce uses a powerful fan to deliver fast, powerful, and quiet purification in small, compact canister design. CLEAN AIR COVERAGE: Powerfully purifies spaces up to 500 square feet, based on 1 air change per hour. Perfect for bedrooms, offices, nurseries, & more. ANTI-ALLERGEN HEPA MULTI-FILTER: Shark's Anti-Allergen** NANOSEAL Filter with true HEPA captures 99.98% of large, small, & micro-sized particles (based on IEST-RP-CC007.3, 0.1-0.2 microns). *"Allergens" refers to non-living matter. TRACKS & ADJUSTS AUTOMATICALLY: Clean Sense IQ tracks air quality and auto-adjusts power to constantly maintain clean air in your home. The easy-to-use control panel displays data in real time. REPLACEMENT FILTERS: Purchase replacement filters every 6-12 months, based on continuous use. To purchase Shark Replacement filters, search for HE1FKPRO. Genuine Shark Filters ensure your air purifier will function and filter properly-off-brand filters can lead to lower reliability and cause damage AIR QUALITY: Clean Sense IQ measures three particle sizes: PM1, PM2.5, and PM10. WHAT'S INCLUDED: (1) Shark Air Purifier and (1) Nanoseal HEPA Filter.