Best Portable Swamp Cooler

swamp cooler
Evaporative type cooler in which air is drawn through porous mats soaked with water.
A popular term used for an evaporative cooling device.
An evaporative cooler (also swamp cooler, desert cooler, and wet air cooler) is a device that cools air through the simple evaporation of water.

portable
A version of something, such as a small lightweight television or computer, that can be easily carried
a small light typewriter; usually with a case in which it can be carried
of a motor designed to be attached to the outside of a boat's hull; "a portable outboard motor"
A small transportable building used as a classroom
easily or conveniently transported; "a portable television set"