evaporative cooler High water resistant, Long-lasting life span. Large evaporation ... evaporationLong-lasting life span. High water resistant, Product advantage:1.Uses the spatial crossing linking technology, high water resistant, ... Height of absorb water: 60-70 mm/5 minutes, 200mm/1.5 hours,3. It is safe, energy saving, environmental ... photo of our Cooling pad for Ventilating system. evaporative cooler