The 21" Evaporative Air Cooler cools up to 215 sq. ft. using cross-flow fan technology for quiet airflow. It offers three essential functions: cooling, fan, and humidification, which also moisturizes the air to improve skin health. With three modes—normal, natural, and sleep—and three speeds, plus 60° auto oscillation and manual up/down swing, you can personalize your comfort for any space. Compact and portable, it’s perfect for any room in your home. Key Features: ✔ Cools up to 215 sq. ft. with quiet airflow ✔ 3-in-1 functions: cooling, fan, and humidification ✔ Moisturizes the air to enhance skin health ✔ Three modes and three speeds for personalized comfort ✔ 60° auto oscillation with manual up/down swing ✔ Compact and energy-efficient design Perfect for: • Bedrooms, living rooms, or offices • Cooling small to medium-sized rooms • Providing comfort during hot weather