1,24 In. Portable Air Cooler, 2,high performance, 3,Cools 1,800 sq. ft ... PERFORMANCE; 3)Cools 1,800 sq. ft; 4)Industrial Air Conditioners; Variable Speed 1. Durable one-piece molded polyethylene ... environmental protection, evaporated with water without harmful refrigerants5. Fresh air 0-7,000 CFM, cools 1,800 sq ft. ... gas, population density and others where need ventilation. Evaporative air cooler 24In