Air O Swiss BONECO Cool Mist Ultrasonic Humidifier 7145 High Output: Up to 2.5 gallons/24 hours for rooms up to 540 sq ft Extremely easy to operate using a control dials Whisper-quiet in operation Automatic shut-off when water tank is empty Integrated hygrostat This compact Ultrasonic Humidifier provides optimal humidification, both in the office and at home. An integrated hygrostat lets you set the desired humidity - the mist output therefore adjusts itself automatically. The humidity level can be specifically controlled at all times by means of a variable control. As soon as the water in the tank has been used up, an empty indicator comes on. The mist can be distributed in two directions using the double jet nozzle. Additional features: Practical reminder indicator for refilling water, easy handling and cleaning, double jet nozzle, high quality components. Taken care of and in excellent condition from a clean, non-smoking home. Please leave phone number for fastest response. (free delivery may be possible in the Ottawa area (anywhere West of the Rideau Canal to Kanata/Stittsville))