Symphony Sumo 75XL Desert Air Cooler GreyCoverage Area: This powerful portable desert cooler is suitable for rooms up to 37 square meters of the area under ideal conditions Effective i Pure Console: Designed with a multistage filter that fights pollution, reduces odor causing microorganisms and allergies to provide clean air. For better and more effective cooling keep your doors and windows open High Efficiency Cooling: With a long lasting dura pump, high water retention capacity honeycomb