Enjoy the evocative, fresh fragrance of Inis in your home or office with Inis Fragrance Diffuser Refill. The oil can be used to replenish the Inis Fragrance Diffuser vessel, or place the oil in another suitable vessel of your choice. Inis is the Irish word for island. Fresh, uplifting fragrance. Made in Ireland. 100 ml / 3.3 fl oz of fragrance oil.