Jo Malone car diffuser cartridgeNotes: Sea salt, sageHow to use: Slide the refill into the case before attaching to the air conditioning vent in your car. The Car Diffuser utilises the natural air flow in the vehicle to release fragrance but for more active diffusion, use it in conjunction with your car's air conditioning. If you're not planning on using the car for a while, place the refill back into the heat seal to keep the fragrance fresh. Each scent refill lasts approximately 3 months when opened and up to 18 months unopenedPlease note: This is the scent refill. The car diffuser is sold separatelyEach Jo Malone London item will be gift wrapped in the iconic cream and black box.