The Pure Guardian 100-Hour Warm or Cool Mist Ultrasonic Humidifier is a reliable and efficient option for maintaining indoor air quality in small to medium-sized rooms. With a tank capacity of 12 points and a coverage area of more than 215 square feet, this humidifier provides consistent moisture for longer periods of time. The sleek blue design and LED lights add a touch of ambiance to any room, while the ultrasonic humidification method ensures quiet operation. Perfect for use in the bedroom or any other space, this PureGuardian model (H1510) is a top choice for those looking to improve their home environment.