EXCELLENT AIR FILTRATION: Cegsin air purifier AP005C comes with a 3-in-1 HEPA filter that effectively filters out 99.97% of airborne particles as small as 0.3 microns particles, such as odors, smoke, pollen, dander, hair, and more. One touch easily improves air quality, helping you breathe cleaner and healthier. RAPID AIR CIRCULATION: 3-speed powerful long-life fan and 360-degree air inlet to meet your urgent air quality needs. This purifier refresh the air 5 times per hour in 250 ft² room, and steadily purify large spaces up to 1100 ft². Breathe healthier and more comfortably for you and your family. QUIET COMFORT IN EVERY ROOM: Measuring only 6.7x6.7x11.22 inches, it is compact and portable, takes up little space to accent your desktop, bedroom and dorm. It operates at a lower decibel level when switched to Sleep Mode. Experience sleep time without light, sound, or distractions. DIFFERENT FRAGRANCE EXPERIENCE: Say goodbye to possible damage to your purifier by adding essential oils from the top, we have designed an aroma box for your favorite essential oils. Just press, add, and enjoy, it's as easy as breathing in the pure air from the Cegsin AP005C. ENJOY FAMILY TIME: Pre-set the timer for up to 12 hours, and let the family's little explorers play with their furry friends. Safety locks can also be set to prevent mistaken touching and will not disrupt your pure arrangement. KEEP BREATHING HEALTHY: For the health and safety of you and your family, choose a genuine replacement filter from our brand store. We recommend that change your filter every 3-6 months for optimal efficiency.