Vicks WarmMist Humidifier Warm mist helps provide temporary relief from cough and congestion for better breathing and a more comfortable sleep. 99.9% bacteria free steam. Accepts two Vicks Scent Pads for soothing menthol vapours and a medicine cup for use with inhalants. Refill indicator and auto shut-off safety feature. This unit features a wide tank opening for easy filling and cleaning, and a top mounted heating element and dishwasher safe tray for easier cleaning. Whether you are looking to get relief from coughs or colds or comfort from dry air, Vicks humidifiers add essential moisture into the air to help you and your family feel better. Vicks Warm Mist Humidifier Features Releases non-medicated, visible, warm mist to help temporarily relieve cough and congestion 2 output settings for ideal comfort Inhalant Cup for use with liquid inhalants such as Vicks VapoSteam Whisper-quiet operation won't disturb your sleep Up to 24 hours run time Auto Shut-Off Warm Mist Humidifier Features Filter free operation 3.8 liters (1 gallon) tank capacity runs up to 24 hours per filling Tank handle for easy carrying and filling Translucent tank shows water level Auto shut off when empty 3-year warranty