Evaporative Cooling Media, Environmental Applications Agriculture/Horticulture, Height 36 in, Width 12 in, Depth 6 in, Pad Material Kraft Paper, Pad Features Cross-linked Polymer Glue, Dirt-resistant, Energy Efficient, Highly Absorbent, Package Quantity 5 This evaporative media replaces pads and panels in residential and commercial evaporative coolers. It's compatible with specific evaporative cooler brands and series for replacing media in portable, window, and ducted coolers.Evaporative cooler media are pads or panels that fit inside an evaporative cooler to provide a large surface area where heat is removed from warm air drawn into the cooler. Also called swamp cooler pads, they're made from natural or synthetic fibers that absorb water and wick heat from the air into the water to cool.