... cooling down, a long lifespan, your best choice.2.improve the weak points of traditional evaporative pad, such as fragility, ... -corrosion.3.eliminating smell by special treatment4.the material is corrugated cellulose paper.5.Stainless Steel or Aluminum Alloy ... , absorb water naturally, fast speed of pervasion, lasting effectiveness. And it is high absorbability of water, high water resistant, anti- ...