Vicks® WarmSteam Vaporizer for Small/Medium Room Size. The Vicks warm steam vaporizer with protective Steam Guard™ design provides maximum performance and reliability. The vaporizer boils the water and produces vapor which is released into the room. Steam vapor helps temporarily relieve cough and congestion. Helps relieve cold, flu and hay fever symptoms; dry, irritated and itching skin and eyes; coughs and dry, scratchy throat; helps you breathe better and sleep more comfortably.