HIGH EFFICIENCY INDUSTRIAL COOLING：This portable evaporative air cooler is equipped with a high performance fan and advanced evaporative cooling technology, delivering powerful and fast cooling to quickly lower the ambient temperature 20L LARGE WATER TANK：This industrial grade hairstyle features a large capacity water tank that allows for hours of continuous operation without frequent refills. Work efficiency is significantly improved and maintains a comfortable working environment for longer industrial and commercial use 3 IN 1 MULTIFUNCTION DESIGN：This portable evaporative air cooler features a thickened high density cooling pad for stronger cooling and better water absorption. It combines a powerful air conditioning, a cooling fan and a humidifier in one device, ensuring efficient cooling, strong air flow and pleasant humidity in your room 120° WIDE OSCILLATION & 3 SPEEDS：with 120° left‑right oscillation to distribute cool air evenly across every corner. It offers 3 adjustable wind speeds, fully meeting diverse cooling demands. The smooth oscillation ensures wide coverage and efficient heat dissipation for large areas. PORTABLE DESIGN & EASY MOBILITY：Designed as a highly mobile floor air cooler, this unit is equipped with durable universal castors that allow effortless movement. It combines stability and portability to meet the different industrial and daily cooling requirements, Manufacturer: Mavdecll