The LG SIGNATURE Air Purifier features an innovative, semi-permanent filter system that can be washed and reused for up to 10 years. And LG’s six-stage Eco-Saving filter to purify the air and Eco-Watering System to provide exceptional air purifying and humidifying to bring comfort air zone to breath. Stunning Rain-View-Mirror, Smart Indicator and Smart Lighting provides stylish view of the current indoor air quality in four different colors.