... cooler 18000m3/h huge airflow cooling area 150m2 18000 Window industrial air cooler 1, High efficiency cellulose pad, Up to 92 ... efficiency.2, High quality plastic cabinet; UV-resist cabinet material: Temperature tolerance from -20 OC to 86 OC. 3, High-quality ... display, nice white back light, real clock auto on/off, temperature and humidity display, auto swing diffuser control