... adjustable speed 36 inch 2,energy saving ,370W 3,big water tank ,200L 4,Cooling capacity 370m2 portable evaporative cooling fans ... Effective Area 230m2 Water reservoir 200L Water Consumption 20L/h Noise(dB) ≤68 Weight(lbs) 105kgApplication areas:1)Industry: rotational moulding , printing, ... gas, population density and others where need ventilation. Big water reservoir tank evaporative air cooler