Protect your family's health and well being with the Intense Aqua Control Humidifier. It features a large 5.5 liter water tank to provide up to 18 hours of operation between fillings. Its quiet 40dB noise level means you can sleep easy while it is working. The anti-scale cartridge helps to keep mineral deposits to a minimum. 3-speed cold vapor and hot steam settings to help by introducing much needed humidity into dry living space. The LED panel provides status at a glance and lets you choose from pre-programmed, baby or night time modes with 9 hr timer.