Calming chamomile melts into a heart of eucalyptus to create a feeling of well-being. Smoky patchouli is enhanced by hints of sage and rosemary for a quiet, relaxing finish. This Pura Car refill is designed for the Pura Car Smart Diffuser. With smart features, clean ingredients, and premium fragrance that actually last, the Pura Car Diffuser reinvents the car scenting experience.