Winix A230 360° All-in-One 4-Stage True HEPA Air Purifier with Plasma Wave Technology

Featuring a 360 all-in-one 4-stage air purification system . this unit removes 99.97% of airborne particles as small as 0.3 microns in size. The unit's built-in Smart Sensor detects 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.