The professional grade Cool Patio 10, 20, & 30 Deluxe systems provide a cool environment from the heat for your favorite outdoor areas. These high-quality pre-assembled systems deliver a continuous stream of ultra-fine mist, cooling the ambient temperature up to 30°F, and come complete with the added luxury and durability of brass nozzles, brass nozzle fittings and a brass spigot connector. Once the mist hits the air, it flash-evaporates on contact ensuring a mild climate in even the hottest environments.