DescriptionEssencia - Essencia Design Diffuser - 1 1un Unit - NPN: -- Essencia Ultrasonic Modern Design Diffuser for indoor use. Essencia Modern Design DiffuserThe Essencia aroma diffuser is ultrasonic, meaning that there is no heat involved, just cold to preserve the properties of the essencial oils and fragrances.Thanks to its discreet, round and sleek design, this aroma diffuser will decorate your room as well asINGREDIENTSNot applicable as this is a device