Coway Airmega 240 True HEPA Air Purifier with Air Quality Monitoring, Auto, and Filter Indicator, Dove WhiteThe all-new Coway Airmega 240 comes outsized with Coways award-winning engineering. This advanced air purifier is equipped with a 3-stage HyperCaptive filtration system, which includes a Washable Pre-filter, Activated Carbon filter and Green True HEPA filter. Airmega 240 is also equipped with Coways custom Smart Technology such as a real-time air quality indicator, auto mode, and filter replacement indicator, ensuring greater peace of mind when it comes to maintaining clean air around you at all times. Silent with a noise level as low as 20.6 dB(A) and energy-efficient with only 60W consumption, Coway Airmega 240 cleans and maintains spaces up to 403 sq. ft. in 12.5 minutes or up to 975 sq. ft in 30 minutes.