Create an exotic atmosphere with this exquisitely scented NEST x Pura Smart Home Fragrance Diffuser Refill Duo featuring Moroccan amber, sweet patchouli, heliotrope, and bergamot with a hint of eucalyptus. This exquisitely scented NEST x Pura Smart Home Fragrance Diffuser Refill Duo lets you replenish your current fragrance or switch to a new one. Includes two vials to be used in the Pura Smart Home Fragrance Diffuser for up to 700 hours of scent.