From APOTHEKE, the Sea Salt Grapefruit Pura Smart Scent Fragrance Refill, Set of 2 features:    Summer by the sea is always in the air with this pair of APOTHEKE x Pura Smart Fragrance Diffuser refills featuring the bright and citrusy scent of Sea Salt Grapefruit. Includes 2 individually packaged Sea Salt Grapefruit Pura Smart Scent Fragrance Refill vials Sea Salt Grapefruit balances tangy sea salt, black pepper, and ripe grapefruit with sweet tarragon and a fresh dewdrop accord for a bright and citrusy fragrance. When used with a Pura 4 Smart Fragrance Diffuser, one Fragrance Refill lasts about 3 weeks in a medium-sized room, diffusing 6–8 hours per day at medium intensity. APOTHEKE x Pura scents are created with clean ingredients and are safe for use around children and pets. Brooklyn-born-and-based, woman-founded-and-owned business. Inspired by life's simple moments Ingredients: Natural and synthetic fragrance oils. Fragrance family: Fresh- Citrus Top Notes: Grapefruit, Lemon, Tropical Fruits, Green Fruits, Mint Middle Notes : Green Florals, Watery Nuances, Peach, Red Berry Bottom Notes : Musk, Coconut, Amber   How to use:  Simply insert an APOTHEKE x Pura Smart Scent Fragrance Refill vial into the Pura 4 Smart Fragrance Diffuser and the device automatically detects the fragrance, creating a seamless scent swapping experience. Pura 4's adaptive diffusion technology reads the room's temperature and adjusts according to your preferences for a consistent, reliable scenting experience. Refills are also compatible with the Pura 3, but they will not be automatically detected.   Made in the USA.