This the best steamer I have found, for such a reasonable price. This unit has the facial cone shown for use with our skin nourishing oils, and also includes a narrower cone for sinus treatments. It uses distilled water. It has a timer and an automatic shut-off feature. It is lightweight and portable. I have chronic sinus issues, but by adding just a few drops of our sinus blend to this and steaming for 10 minutes a day, I have enjoyed considerable relief. Longer, or more frequent steams, are recommended for acute issues such as a cold or flu.