The cooling pad has many advantages: 1) Using the new material and the spatial crossing linking technology, high absorbability, high water resistant, anti-mildew and long service life. 2) Large evaporation area, cooling efficiency as high as 80%. 3) The product involves surface active agent, absorb water naturally, fast speed of pervasion, lasting effectiveness. A piece of water can diffuse in 4-5 seconds. Height of absorb water: 60-70 mm/5 seconds, 200mm/1.5 hours, can achieve international standard. 4) Various sizes of shape: Galvanized sheet, Stainless steel, Aluminum panel and so on, or up to your need. 5) The product does not contain phenol which is irritant to the skin and the like chemical products. It is harmless and poise less while installation and using. It is safe, energy saving, environmental protective, economic and durable. Model 7090 7060 Height of pad(mm) 1500.1800.2000 1500.1800.2000 Width of pad(mm) 900.6 900.6 Depth of flute(mm) 100.150.200.300 100.150.200.300 Height of flute(mm) 7 7 Angle of flute(°) 45 45 Angle of flute(°) 45 45 we also produce other kinds of exhaust fans.Welcome you to our Web:http://www.wfsanhe.com. My e-mail:sanhejixie@yahoo.cn