This Air Purifiers are Carb and Fcc certified, offering high-efficiency air purification for your home. With a 360° air intake system, these compact purifiers ensure fresh air flows throughout any room. Perfect for bedrooms, living rooms, or offices, you can use one or both to maintain clean, healthy air. The 3-in-1 filtration, including a True Hepa filter and activated carbon, captures dust, pollen, pet dander, smoke, and odors. Replace filters every 3-6 months for best results. The easy one-button control lets you adjust fan speeds and set a 4-hour timer. In sleep mode, it operates quietly at just 24 dB, ensuring a peaceful environment. You can also add essential oils to the aroma pad for a soothing atmosphere (essential oils not included). Ideal for various rooms, this purifier helps you breathe cleaner air and maintain a comfortable, fresh home.