Convair NGP-CS ClimateStar Portable Evaporative Fresh-Air Cooler Portable, evaporative fresh-air cooler with 3 speed settings 3-2/5-gallon tank; cooling pad lowers temperature and traps pollen and dust 1768-BTU/hour or 518-watt cooling capacity; fan-only option; rolling wheels Energy efficient and non-corrosive polymer construction Measures approximately 12 by 17-3/5 by 30 inches