From APOTHEKE, the Earl Grey Bitters Pura Smart Scent Fragrance Refill, Set of 2 features:   Create a sense of serenity with this pair of APOTHEKE x Pura Smart Fragrance Diffuser refills featuring the soothing scent of Earl Grey Bitters. Includes 2 individually packaged Earl Grey Bitters Pura Smart Scent Fragrance Refill vials. Earl Grey Bitters infuses aromatic black tea leaves with citrusy bergamot, fresh lemon zest, and a hint of soft peony for a soothing and revitalizing 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. Made of natural and synthetic fragrance oils Fragrance Family:  Citrus-Aromatic Top Notes: Bergamot, Black Tea Leaves, Lemon Zest Middle Notes: Rose, Peony Bottom Notes: Woods, Amber, Musk   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.