Start breathing cleaner, healthier air today with the Luma Comfort AP400W PureClean Max. This advanced air purifier keeps the air in your home fresh and clean. Designed for larger areas up to 400 square feet, the AP400W captures over 99-percent of particles as small as 0.3 microns in the air that passes through it. Once air is drawn into the air purifier, it goes through comprehensive Luma Comfort PureClean 5-step purification process: • Step 1-Carbon pre-filter deodorizes the air and traps larger particles such as pet dander, dust, pollen and lint • Step 2-HEPA filter removes over 99-percent of tiny particles down to 0.3 microns • Step 3-VOC filter absorbs volatile organic compounds (VOCs), which are carbon-based airborne chemicals commonly found in carpet, varnishes, solvents and wall paint • Step 4-TiO2 filter is coated with titanium dioxide, which, when combined with a UV light source, eliminates harmful gases and bacteria • Step 5-UV bulbs kill biological contaminants such as bacteria, viruses and mold Easy to operate and almost effortless to maintain, the PureClean Max AP400W also has a Smart Clean sensor that detects when your air purifier"s filters need to be changed. The stylish flat panel design looks great in any room in your home.