... ,1800,2000mm Width: 300,600mm Thickness:100,150,200mm high quality evaporative cooling padModel no.: 5090 Features: 1) H: 1,500mm, 1,800mm ... the wall3) Specific stepic structure. It can provide the largest evaporative surface for heating exchanging between weather and air4) Outer frame ... hot air, exsted by indoor air in working environment. high quality evaporative cooling pad