Glade Aromatherapy Cool Mist Oil Diffuser Refill in Lemongrass scent is a modern-style wall plug-in diffuser refill designed for adults. It comes in a 0.56 oz size manufactured in 2020 in the United States. This refill is intended for aromatherapy use in the bedroom, featuring a lemongrass scent that creates a calming atmosphere. Made of plastic, the refill unit contains 1 fl oz of oil.