Professional manufacturer of Green Colour Evaporative Cooling Pad Descriptions: 1) Shade rate of greenhouse: 50%, 65%, 75% 2) Radiative load in greenhouse: 450, 315, 225W/m² 3) Ventilation volume: 225, 195, 180m²/h 4)The biggest cooling pad supplier in China 5)Can produce 300 cubic meter cooling pad daily 6) first class quality... Yihe type cooling pad yellow/Green/with black coating Evaporative Cooling Pad: Are products developed for horticultural and agricultural cooling applications. cooling pad are made of specially formulated cellulose paper, impregnated with insoluble anti-rot salts, stiffening saturated and wetting agents. Evaporative pads have a cross fluted configuration that provides maximum cooling when warm air passes through the wet evaporative pad material.