EFFICIENT PURIFICATION: With brushless motor and 360-degree air intake design, Aroma Room air purifier can purify air twice an hour in a 157 ft² (15 m²) room, covering every corner of the room for your healthPOWERFUL FILTRATION: True HEPA 13 air purifier adopts a 3-stage high-efficiency filtration system that captures up to 99.97% of fine particulate matter down to 0.3 microns in size, effectively filters smoke, pollen, pet dander, odorsSILENT OPERATION: In 22dB sleep mode , the bedroom air purifier slows down to its lowest level, perfect for keeping the air fresh while sleepingAROMATHERAPY ENHANCEMENT: Add a few drops of fragrant essential oils (not included) to the aroma pad to keep your room smelling greatRGB AMBIENT LIGHT: Room air purifier comes with colorful night light allow you to set the proper ambiance at any time for a better visual experienceNOTICE: For optimal performance, we recommend replacing the AromaRoom genuine filter every 3-6 months. Local customer service team available 24/7 for youGenuine Filters for Optimal Performance: Only genuine AP100-RF series filters (AP100-RF/AP100-RF-PA/AP100-RF-SR) are laboratory-tuned to work in perfect harmony with your air machine's smart sensors and airflow system