Ultracool Edge Coated Evaporative Cooling Pads Ultracool 6" & 4” thick Evaporative Cooling Pads are made specifically for hostile environments like green houses, poultry houses, dairy farms and the swine industry. Strong and Active evaporative media meets efficiency standards and exceeds pressure drop requirements. Ultracool Pads not only lasts longer, but helps keep your whole cooling system running longer by adding less stress to moving components. Ultracool edge coated pads comes with an added layer of durability. It extends the life of your evaporative media in demanding environments and allows for easier cleaning with less damage to the outward-facing edge of the cooling pad. The dark color of this coating prevents light from entering and reduces the growth of algae.