... 100, 150, 200mmWidth: 600, 300mm Usage: poultry house, greenhouse,workshopEvaporative cooling pad: Corrugated paper with the spatial ... high absorbability, high water resistant, anti-mildew and long service life.Large evaportion area, cooling efficiency ... , environmental protective, economic and durable.Galvanized frame and aluminum frame optional cooling pad for greenhouse,poultry house and warehouse