Convair 1500 Arctic Breeze Portable Evaporative Cooler Portable evaporative cooler for rooms up to 300 square feet 5-1/2-gallon reservoir; 3-speed fan; filter traps pollen and dust Fan-only option; 5510-BTU or 1600-watt cooling capacity Adjustable air-guide vane levers; rust-proof construction Measures 18-1/2 by 25 by 41-1/2 inches