Restored POWERFUL PURIFICATION: Pure Air Microforce uses a powerful fan to deliver fast powerful and quiet purification in canister design. CLEAN AIR COVERAGE: Powerfully purifies spaces up to 1000 square feet ANTI-ALLERGEN HEPA MULTI-FILTER: Sharks Anti-Allergen NANOSEAL Filter with true HEPA captures 99.98% of large small and micro-sized particles TRACKS & ADJUSTS AUTOMATICALLY: Clean Sense IQ tracks air quality and auto-adjusts power to constantly maintain clean air in your home EASY TO USE: The control panel is easy to use and displays real time air quality filter life fan speed eco mode and more. (Refurbished ).