Introducing Air Wick's New Essential Mist Diffuser. Our portable device diffuses fragrances infused with Natural Essential Oils into mist.  The device glows as it mists and brings amazing fragrance to your bedroom, living room or home office, for up to 45 days(based on lowest setting). Choose from 4 intensity settings for ultimate control and our best ever fragrance experience. It's easy to set the mist and get the mood with Air Wick Essential Mist. Air Freshener. Air Wick.