The Winix Plasmawave™ 9000S Five-Stage Air Cleaner offers state-of-the-art air cleaning and filtration technology for the highest air quality for you and your home. Designed for spaces up to 213 square feet, this revolutionary air cleaner features a five-stage filtration system that removes 99.99% of airborne particles including dust, dirt, pet dander, pollen, smoke and more for cleaner healthier air. The five-stage filtration process attacks dangerous airborne pollutants and irritants such as viruses, bacteria and chemical vapors (VOCs), as well as common household odors, pet dander, smoke , dust, dirt and more. This system features a washable anti-bacterial pre-filter for collecting large airborne particles, a true HEPA filter for capturing 99.99% of small particles; a Nano-silver mesh shield of silver particles one billionth of a meter in size to neutralize bacteria on contact, a washable carbon filter that effectively collects chemical vapors and odors and PlasmaWave Technology, which generates negatively and positively charged ions that combine with airborne water vapor to form Hydroxyls. Hydroxyls instantly neutralize viruses and bacteria, chemical vapors, odors and gasses in the air. The ultra-quiet Plasmawave™ 9000S Five-Stage Air Cleaner is portable with a stylish blue finish, ideal for living rooms, bedrooms and nurseries. Enjoy the beneficial features including digital controls, smart dust and odor sensors, a programmable remote, auto mode, timer settings, 4-speed settings, sleep mode and a change filter alert, which allow for simple and easy operation.