From Pura, this refill smart vial features: Volcano: Like the excitement of a summer night rendezvous, this fragrance is simply unforgettable. Exotic citrus and sugary notes will fill your space, keeping your home energized and smelling fresh all day long.  Scent notes: Top: citrus Middle: tropical fruits Bottom: vanilla Personalize your Volcano fragrance by adjusting the scent intensity, setting custom schedules and utilizing away mode within the app. Pura fragrances are thoughtfully designed to never include harsh chemicals. We avoid ingredients known to cause potential harm to health or the environment. Every fragrance is safe and ethically sourced. For use with the Pura 4 smart fragrance diffuser ( sold separately) Imported.