Upgrade your summer comfort with this high-capacity portable swamp cooler featuring efficient evaporative cooling technology and adjustable airflow settings. Designed with a 7-gallon water tank, 3 fan speeds, and powerful air circulation up to 23.3 ft/s, this cooling fan helps create a refreshing indoor environment while operating quietly. The included 4 ice crystal boxes provide enhanced cooling support, and the easy top-fill reservoir design simplifies maintenance. Compact yet powerful, this rolling air cooler is ideal for bedrooms, apartments, offices, dorms, and living spaces. Bullet Points Efficient Air Cooling System - Features evaporative cooling mode and normal fan mode to deliver refreshing airflow and comfortable indoor circulation. Ideal for bedrooms, offices, apartments, and living rooms. Strong Airflow with Adjustable Wind Speeds - Mechanical controls with 3 adjustable fan speeds let you choose the perfect airflow level. Maximum air speed reaches 23.3 ft/s for fast cooling performance. Extra-Large 7 Gal Water Capacity - Built with a 20L water tank and easy top-fill access for convenient daily use. The large reservoir supports longer cooling operation with fewer refills required. Includes 4 Reusable Ice Packs - Comes with 4 ice crystal boxes to maximize cooling efficiency and maintain colder airflow longer than standard portable air coolers that typically include only 2 packs. Compact Portable Cooler with Wheels - Overall dimensions: 30.3"H x 17.7"W x 13.2"D. Features 70° oscillating airflow and smooth caster wheels for easy movement throughout your home while maintaining quiet 45dB operation.