... 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 ... , energy saving, environmental friendly and economical. 6090 Evaporative Cooling Pad for Greenhouse