Levoit Core Mini Air Purifier

3-Stage Filtration: Traps smoke, odors, fumes, and airborne particles, such as fine dust, pollen, and pet dander. Aromatherapy: Add your favorite essential oils to the air purifier to tailor your atmosphere to your liking. High Performance: Changes the air in a 254 ft2 room once per hour with patented VortexAirTM Technology. Ultra-Quiet: Patented QuietKEAP" Technology reduces noise levels to as low as 25dB.