Eva Little, an ultrasonic humidifier, uses her unique Adaptive Humidity technology to maintain your desired humidity level with the simple push of one button. With 5 output levels and a 1 gallon water tank, Eva Little is a powerful performer for smaller spaces. Her dimmable LED lights, quiet operation and automatic shut off allow you to rest easy. Your Eva Little includes a Stadler Form Water Cube and Demineralization Cartridge. Designed by Swiss designer, Matti Walker, for Stadler Form.