Increase your tanks humidity with Zoo Med's new Repti Fogger, a Compact Ultrasonic Humidifying Fogger with adjustable fog output control. This unit is ready to operate! It includes one liter bottle and all necessary fittings. It also features a 'no-spill' valve making it easy to remove and refill the water bottle. It also has an adjustable fog output control so you can choose the level of fog allowed in your terrarium.