... Cooling Pad 1.high absorbability,high water resistant 2.anti-mildew and long service life 3.large ev ... linking technology, high absorbability, high water-resistant, anti-mildew and long service life.2)Large evaporative area ... The product contains surface active agent, natural water absorbability, fast pervasion speed, lasting effectiveness. A ... %, humidity at 18N) Greenhouse Cooling Pad and fan system