Single Sided Green Paint Evaporative Cooling Pad
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High Quality Honeycomb Water Cooling Pad for Greenhouse
Cooling pad has one layer of thin water film on the surface of corrugated fiber paper. When the outside hot air pass through the paper, water on the thin film absorb heat in the air and then evaporate into vapor, and the cool air can enter the room. It is a good use of the principle of water evaporation temperature decreases.