Cool rooms quickly from corner to corner, so feel comfortable wherever you are. Digital Inverter technology cools the air 43% faster*. Its advanced design also has a 15% larger fan, 18% wider inlet and a 31% wider blade. So cool air is dispersed farther and wider**, reaching up to 15 meters.Keep the air conditioner working efficiently with less effort. The Copper Anti-bacterial Filter is located outside, on the top, so it can easily be removed and cleaned. Its dense mesh keeps the Heat Exchanger clean and a Copper Sulphide coating helps protect you from inhaling harmful bacteria.