Breathe easy with the AROEVE Air Purifier, featuring a true HEPA filter to capture 99.97% of dust, pollen, smoke, and pet dander as small as 0.3 microns. The quiet 20dB operation circulates and filters the air without disturbing your sleep or concentration. Enjoy fresher indoor air with the aromatherapy function by adding your favorite essential oils. Advanced design with high circulation for rooms up to 215 sq ft. The filter change light reminds you when it’s time to replace the filter every 3-6 months.