... efficient heat exchang4) Safe use and quiet Cooling capacity :2.1 - 4.6(kW) Features:Modeling shallow, artistic generosity: A ... .High efficiency, energy Foot: Purple coil using seamless steel string sets efficient two-way aluminum fin fissures, high efficiency heat ... featured, easy to use: a third gear unit wind speed (high, medium, low , simple operation, easy to use. MACON water cassette fan coil