Product DescriptionPowerful Air Filter: This Large HEPA air purifiers for home feature a powerful 3-layer filtration system—a pre-filter, HEPA filter, and activated carbon—that filter up to 99.97% of pollutants, including dust, pollen, smoke, pet dander, and VOCs.Quietly Cleans 24/7: A smart particle sensor monitors air quality and increases power if polluted air is detected. Set it and forget it! Perfect air purifiers for bedroom, with a built in sleep mode that operates quietly. Designed to be used 24/7.Adjustable Timer & Child Lock: The intuitive control panel features a 2/4/8H adjustable timer for convenient, energy-saving operation and a child lock to help prevent accidental setting changes. Designed for everyday use in bedrooms, nurseries, and shared spaces, air purifiers for large rooms offers added safety, flexibility, and peace of mind for the whole familyUltra-Quiet 23dB Sleep Mode: Enjoy undisturbed rest with the dedicated Sleep Mode that operates at an almost inaudible 23 decibels – quieter than a whisper. The display dims automatically, and the fan slows to a gentle breeze, making it perfect for nurseries, bedrooms, or any space where peace and quiet matter most.Ideal for Large Rooms: Featuring 360° airflow and double-sided air intake, the AP-480 draws in air from both sides simultaneously for faster, more efficient circulation. It refreshes 350 sq ft in 12 minutes, 1,748 sq ft in 58 minutes, and covers up to 3500 sq ft — suitable for living rooms, bedrooms, home offices, kitchens, basements, nurseries, and pet spacesProduct detailsProduct Dimensions : 10.67 x 10.67 x 21.77 inches