Brand: Aura Cacia Content Description: Contains diffuser unit and 5 refill pads. Directions: Place 4-6 drops of any 100% pure Aura Cacia essential oil or blend onto the car diffuser pad. Slide the pad into the diffuser and plug into the lighter outlet. Provides aroma-therapeutic benefits for the mind, body and spirit for up to 3 hours. Remove the Aromatherapy Car Diffuser when not in use. For best results, use a new car diffuser pad when switching oils. Suggested Uses: Use Aura Cacia''s Aromatherapy Car Diffuser to transform your driving routine into a rejuvenating experience. Product Notes: Our car diffuser plugs into your car''s lighter outlet and uses low levels of heat to volatilize the essential oils.