Fill the reservoir with water and you’ve got a portable, powerful cooling system. Arctic Air® Pure Chill 2.0 personal cooler features dual atomizers, while Pure Chill XL Arctic Air® whole room cooler features quad atomizers. Both have quiet operation, turbo mode and light features. Arctic Air® Pure Chill 2.0: 5¾" H x 6¾" W x 6?" D. Arctic Air® Pure Chill XL: 5¾" H x 7½" W x 11" D.