Heating and cooling units can dry out the air in your home. Add moisture to the air and help your little one breathe easier with this penguin-shape humidifier. The whisper-quiet operation won't disturb sleep while the darling design adds a playful touch to the room. The 1-gal. tank outputs up to 2.2 gal. of moisture a day and features an auto shutoff feature when the tank is empty. For use in rooms up to 500 sq. ft.