... we have found that the application of the kind of cooling pad wall and exhaust fan is versatility after putting into practice, ... thick bad scent and heavy dirt or dust.evaporative cooling pad consists of specially impregnated and corrugated cellulose paper sheets with ... 45deg flute angles. At present , the stock size of the cooling pad is as follows: Heigh: 1200mm, 1500mm, 1800mm, 2000mmWidth: 300mm, ...