• Humidifying, Airflow & Cooling 3-in-1: Our evaporative air cooler delivers an airflow of up to 4129 CFM, quickly cooling and refreshing the air. When you need quick cooling in hot weather, place the ice boxes (refrigerated for 4 hours) in the water tank for optimal cooling. 60° horizontal and 120° vertical wide-angle oscillation ensures a cool and comfortable experience in dry outdoor or open indoor environments.

• Efficient Cooling: The 1.18 in precision water curtain with a honeycomb surface allows for faster evaporation, instantly increasing the relative humidity of the air. Matching high airflow, this portable swamp cooler provides significant cooling or humidifying effects in areas with humidity levels below 60%. Ideal for both hot summers and dry winters.

• Detachable Water Tank: No need to bend over to refill! Simply add water from the top to fill the 12.7 Gal tank, ensuring all-day humidifying or cooling. For added convenience, this swamp cooler air conditioner also fits 0.98 in garden hose, allowing you to hook up a hose for automatic water refilling easily.

• Silver Ion Filtration System: The portable outdoor air conditioner comes with a silver ion filter, ensuring the air you breathe is fresh and clean. It stops impurities from the water from affecting the air quality, keeping you and your family healthy.

• Pure Copper Motor: The high-quality pure copper motor runs quietly within a 65dB range, ensuring smooth and stable operation. Equipped with 4 ice boxes, a visible water level, and a 8.2 ft longer cable, this water cooler fan is easy to move and set up wherever needed.