Stone Essential Oil Diffuser | CharcoalAppellation's stone essential oil diffuser is a subtle and stylish way to fill your space with natural aroma without compromising on aesthetics. Simply add water and essential oils and at the touch of a button, the diffuser emits a fine aromatic mist, transforming any room into a self care haven. In smoky, graphite grey stone, Charcoal will look right at home on a curated statement shelf, next to your computer, or in a minimalist nursery. Pair with