Winix A231 Carbon True HEPA Air Purifier Tower 230 sq ft

The Winix A231 air purifier features a 360 all-in-one 4-stage air purification system, this unit removes 99.97 percent of airborne particles as small as 0.3 microns in size. Winix PlasmaWave Technology may help to reduce the presence of airborne pollutants, allergens, and impurities. The unit built-in Smart Sensor detect and monitor the quality of air in your environment and provides a visual representation of your current air quality. When in Auto Mode, the unit automatically adjusts fan speeds to ensure efficient and cost-effective cleaning. Activate Sleep mode for quiet, energy-efficient operation.