LARGE COVERAGE: Powerful Purification! Capable of cleaning a 500 ft² room over three times in an hour (350 m³/h CADR). High-performing Smart Air purifiers can purify large spaces, such as bedrooms, living rooms, kitchens, and basements. Three Filter Options: Standard, Special, and Premium options available. Standard Filter Uses: Target particles, pollen, odor; Special Filter Uses: Smoke, ash, smoke smell; Premium Filter Uses: Formaldehyde, heavy odor.