Sleep Soundly: With noise levels as low as 28dB with Light auto-off, the LV-H128 can quietly clean your air at night without getting in the way of your rest.Truly Clean Air: Levoit HepaSmart Technology captures at least 99.99% of airborne particles 0.1 microns in size. This includes cigarette smoke, fine dust, pet dander, pollen, cooking odors, and unpleasant household smells. Even invisible pollutants in the air can also be captured.Dual Filter Design: The LV-H128 Desktop True HEPA Air Purifier features a 3-stage filtration system with dual-sided H13 True HEPA filters (Search for: B08H8QNW1S). It will bring you more fresh experience than traditional ones.Compact But Powerful: 30 minutes can feel different in the small room (Coverage area 161 sq ft²/15 m²). Better fit for small rooms, office, bedroom and suitable for your desk.Aromatherapy: Add 2-3 drops of your favorite essential oils (Not Included) to the aroma pad under the cover. After that, the air purifier effectively distributes clean air and fresh fragrances throughout the room.One Button Control: One-switch design offers simple but comprehensive control over your Desktop True HEPA Air Purifier.No Transformer Needed: 100-240V voltage design makes you simply use a plug adapter (Not Included) when using the Levoit LV-H128 Air Purifier abroad, and you’re ready to go.Note: A brand new filter set can last 6-8 months, depending on the air quality in your area. (Please remove the plastic wrap from both filters before running the air purifier.)