Specifications 1) height: 680mm, 700mm, 1200mm, 1500mm, 1800mm, 2000mm 2) width:300mm, 400mm, 500mm, 600mm 3) thickness: 100mm, 150mm, 200mm 4) we can offer others size which buyer need 5) shade rate of greenhouse: 50%, 65%, 75% 6) radiative load in greenhouse: 450, 315, 225w/m¦ 7) ventilation volume: 225, 195, 180m¦/h 8)the biggest cooling pad supplier in china 9)can produce 300 cubic meter cooling pad daily 10)first class quality Characteristics of sanhe evaporative cooling pad : Cooling pad is one part of the ventilation system. Used together with the fans, it can cool the temperature in hot summer. 1) uses 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 includes 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) the product does not include chemicals which are allergic to the skin. It is nontoxic and harmless, safe, energy saving, environment protective and economic while installation and using. 5) variety sizes of shape: galvanized sheet, stainless steel, aluminums panel and so on