Polypropylene cabinet, light, corrosion-resistant, UV-resistant;Patented water distributors avoiding blocking Large evaporative surface area with above 85% saturation efficiency;Durable aluminum sealed motor, high heat dissipation, low rising temperature, IP55;Auto timing cleaning function, ensuring clean water Cover distance: 20m for AZL 16 -Z, 25m for AZL 18- Z;Top discharge, side discharge and down discharge optional;Group control optional