Vicks, 1.5 Gallon, Pure Steam Vaporizer, With Dual Scent Pads, Action For Relief Of Cold & Flu Symptoms, 18-24 Hour Operation Per Filling, Large Night Light Provides Added Safety & Convenience, Particularly In Children's Rooms, Patented Safety Vents Regulate Vapor Flow To Prevent Over Boiling & Spitting Even In Hard Water Areas, Cool To The Touch, Locking Top, Outer Cap For Safer Handling, Automatic Shut Off When Reservoir Water Reaches Minimum Level, Carbon Electrodes Will Not Rust Or Corrode & Require Less Frequent Cleaning, Medication Chamber Allows The Use Of Vicks Vapor Steam Or Kaz Inhalant To Produce Medicated Vapor That Soothe Irritated Nose & Throat Membranes, 3 Year Warranty Exclusive.