3S Faster Cooling Not just fans! The portable air conditioners that can blow, humidify, and cool rooms, providing fast and efficient cooling in 3S and maintaining continuous cooling. It is more efficient than other air conditioners or fans, allowing you to enjoy stronger winds every day on hot summer days. No more stuffy indoors! 2.6GAL Water Tank for 40H Cooling No more bending over or frequent refills! Once filled with water, the air conditioner portable for room can be used for more than 40 hours. Top-filling water tank and large openings on the back of the air cooler make it easy to refill and clean during the day. It is possible to place 2 iceboxes to be used in combination so that there is constant cooling. Meet All Your Summer Needs With 3 speeds plus 60 automatic swing, this evaporative swamp air cooler gives you all the comfort you need.