Winix 5500-2 Air Cleaner with PlasmaWave Technology. The Winix 5500-2 Air Cleaner replaces the wildly popular 5500 model. It is designed for any home environment and ready to capture dust, pollen, pet dander, smoke, mold spores, volatile organic compounds, and household odors. This unit is best used for medium to large living spaces, kitchens, or bedrooms. The WINIX 5500-2 uses a 3-Stage Air Cleaning System, featuring a Washable AOCTM Carbon Filter, 99. 97% True HEPA Filter, and Winix PlasmaWave Technology. True HEPA filter captures of airborne pollutants and allergens, while carbon filter traps offensive smoke, cooking and all other household odors. PlasmaWave Technology attacks pollutants at a molecular level to neutralize viruses, bacteria, chemical vapors, odors, and gases in the air. Air Quality Sensor offers Set-and-forget convenience by automatically adjusting your air cleaner settings to meet the needs of your environment. CADR Room Size Rating: 360 square feet - Suitable for bedrooms and living rooms Materials: Abs Dimensions: 14. 9"L x 7. 8"W x 23. 6"H Weight: 17. 5 lbs