Quiet and healthy?? TaoTronics ultrasonic humidifier silently infuses your room with clean moisturized air?? so you can enjoy a clean?? crisp and odorless air around you</br>Extra fine ceramic filter filters out water impurity?? harmful bacteria and bad odor at molecular level?? leaving you with a clean and pure water vapor</br>Double 360?? rotatable mist nozzles output mist in two directions simultaneously?? maximum output of 330 ml/h (0.08 gal/h) quickly filling a large space of up to 150 m3 / 5297 ft3.</br>Classic control knob adjusts the amount of mist flow nice and easy; the humidifier shuts off automatically when detects low water with a warning red LED indicator?? Weight(oz): 40</br>Large 3.5 L / 0.92 gal. water tank means you get up to 10 hou