It offers excellent percolation and water absorption to ensure the wall stays wet. Its unique three-dimensional structure maximizes the evaporation surface area for efficient heat exchange between water and air. The outer frame is available in aluminum alloy or galvanized board. It comes in various external colors, including brown, green, brown-green interlaced, one-sided black, one-sided green, and one-sided yellow. Corrugated paper features a high-strength structure, is corrosion-resistant, and has a long service life. The warranty period is 5 or 10 years.
