KuulAire PACKA44 Portable Evaporative Cooling Unit with 175 sq ft Cooling Capacity, Black * 1 of the most efficient and environmentally friendly ways to keep cool, indoors or out * Extremely powerful and cools with no harmful refrigerants * Super portable and easy to move with heavy-duty casters * Evaporative cooling units create natural effect and provide a constant flow of cool, refreshing air into hot, uncomfortable environments * The heart of an evaporative cooling system is the evaporative pad: a pump pushes water over the pads and a fan pulls the air through the pads * Water evaporates within the pads and the air passing through the pads is cooled * No assembly required * Easy to maintain * An all-natural, effective cooling technique * You can use it in conjunction with an A/C to boost the cooling * 4-gallon water capacity * 3-speed operation with remote control * Swing louvers, timer and casters for better use of cooling * Uses high-efficiency rigid media and tap water to generate cooler air with no assembly required * It is ETL rated, cost efficient and ready to operate, right out of the box * Dimensions: 28.3"H x 16"W x 12"D * Weight: 15.7 lbs * 375 CFM