Improve the air quality in any room with this Honeywell HEPA-Type Replacement Air Purifier. With a tower design and True HEPA filtration technology, this purifier captures dust, odors, pet dander, and pollen. The portable device features a filter replacement indicator and timerless control, as well as app, digital, and analog/mechanical control styles. The air purifier is compatible with HomeSeer, Hive, Belkin WeMo, Apple HomeKit, WeMo, Amazon Alexa, Google Home, ADT Pulse, and Cortana for smart home integration. It comes with a pack of two filters to last for six months, and has a coverage of 20 mm.