The Coway Airmega Air Purifier is designed to provide clean air for medium to large spaces. It can remove up to 99.999% of 0.01μm particles from the air, giving you clean and healthy air. The air purifier has an LED air quality indicator and a timer that you can use to set a time for the unit to automatically turn off. Also, the pollution monitor will show you air quality conditions throughout the day. The unit features an advanced filtration system that can get rid of 99% of airborne particles and allergens in your home or office, plus it also has an energy-saving eco mode that runs continuously for 24/7. The purifier includes a Vital Ioniser system to reduce ultra-fine particles in the air. The HyperCaptive air filtration element can capture and remove nano-sized particles such as dust, germs, viruses and pollen. A filter replacement indicator will remind you when it’s time to change the GreenHEPA Filter and Deodorisation Filter.