Orbit 1/4" x 20' Portable Outdoor Mist Cooling System. It offers relief from the heat with a coverage area of 24 sq. ft. and can cool the surrounding air temperatures by up to 20 degrees Fahrenheit. Easy to install, this preassembled system comes with 1/4" x 20' mist flexible tubing with fittings and hose adapter, 5 brass misting nozzles, 5 hanging snap clips, and 1 hose adapter washer. Made of UV-resistant plastic, it has a maximum pressure of 80 PSI.