CLEANER, HEALTHIER AIR: Our indoor home air purifier has 3 filtration stages that eliminates 99.97% of pollutants as small as 0.3 microns to ensure you have the highest quality air. The pre-filter actually filters larger particles such as dust and pet hair, making this one of the best dust mite air purifier and pet dander purifier on the market. This indoor air purifier contains an activated carbon filter reduces household odors such as cooking smells and secondhand smoke. It provides 93 square feet of coverage 5x per hour. QUICK & SIMPLE TO USE - Efficiency made easy. This ENERGY STAR certified compact air purifier is equipped with touch controls to customize settings such as Low, Medium and High speeds. In Sleep Mode the fan operates at a reduced speed. CONVENIENT FEATURES: Features a shut-off timer with 1, 2, 4 and 8 hour options. When the child lock is activated, it prevents the settings from being inadvertently changed. REPLACEMENT FILTER AVAILABLE - An audible sound and indicator light alerts you when the filter needs to be replaced. SLEEK & STYLISH DESIGN - Place it on your office desk, bedside table or the kitchen counter. The pure and clean exterior of our air purifier complements any decorative theme and design.