... -605 /605i Air Volume: 18000 m3/h Evaporative Air-cooler(evaporative cooler,air cooler)Centralized water supply type 605:A. Adopt Centralized water ... the place generally and also locally, apply to closed or open places.C. High wind pressure, small noise, integrating ventilating, cooling ... and oxygen-increasing; Environmental Protection and Energy-saving. Evaporative air cooler