Gratus Icestorm 25L Evaporative Air Cooler (ICESTORM25DX) - Designed with a 20-liter tank and honeycomb cooling media for natural and refreshing airflow. Four-way air deflection improves air circulation throughout the room. Inverter compatibility and low power consumption ensure energy-efficient operation. Caster wheels make it easy to move around different spaces. Dust filter and humidity control create a cleaner and more comfortable environment.