When you purchase using Everlasting Comfort you can get 15% off on all products. Apply the given promo code at the checkout page to receive 15% off on your purchases. The ultimate travel-ready bundle needs to include more than merely a neck pillow for traveling. This humidifier helps improve dry nasal passages, so you fall asleep easier and stay asleep through the night. Your essential oil needs vary from day to day, so you need a diffuser that can match your schedule. With the Everlasting Comfort Oil Diffuser, you can set it for one hour, three hours, or six hours, or put it on a continuous timer. When low water is detected, this unit will automatically shut off to protect it from any damage.