... / 300mm 3.Strong hydroscopicity Shade rate of greenhouse: 50%, 65%, 75%Radiative load in greenhouse: 450, 315, 225W/m²Ventilation volume: 225 ... , 195, 180m²/hBrief introduction of 6090 evaporative cooling pad for greenhouse 1) Adopting high molecular material, having the advantages of high ... saving, environmental friendly and economical. 6090 Evaporative Cooling Pad for Greenhouse