Features • Customers say the Winix D480 air purifier effectively improves indoor air quality • The Winix D480 True-HEPA Air Cleaner combines the best Air Cleaning technologies to capture all of the unseen particles and impurities suspended in the air; including dust, pollen, pet dander, smoke, organic chemicals (VOCs) and household odors. • The D480 is our largest and most powerful air cleaner in the series and is designed for optimal use in large rooms. • 3-Stage Air Purifier for 480 sq.ft. • It features a 3-Stage Air Cleaning System that starts with a Fine Mesh Pre-Filter that removes large particles such as hair, pollen and lint. • Next, an Activated Carbon Filter absorbs odors and household VOCs. Lastly, a True HEPA Filter which captures 99.97% of unseen particles down to 0.3 microns such as pet dander, smoke, and dust. • The Auto Mode and Smart Sensor combine to deliver Set-and-Forget convenience. The control panel features 4 Fan Speeds for absolute control and a Sleep Mode which dim the lights and sets the fan speed to quiet for an undisturbed sleep. • The Winix D480 is ENERGY STAR Certified and AHAM Verified(R) for 480 sq. ft. rooms. You Care for Home Cleaning, We Care for Your Air. • Overall, it is viewed as a reliable and efficient solution for maintaining cleaner air in various living spaces. • Three filters are clean • Excellent Condition