Experience a mouthwatering aroma with juicy Sicilian tangerine blended with bergamot, exotic mango, and passionfruit. Cruelty-Free & Vegan Smart Phone Enabled Free from Formaldehyde, Parabens, Phthalates 2 Vials, Up to 240+ hours of scent How To Use  This exquisitely scented NEST x Pura Smart Home Fragrance Diffuser Refill Duo lets you replenish your current fragrance or switch to a new one with any NEST x Pura 3 Diffuser or NEST x Pura 4™ Diffuser. Includes two vials, each providing up to 100 hours of scent. Weight:2 x .33-oz