Enjoy an easy, long-lasting way to fragrance your car with mess-free Car Powered Fragrance Refills. It's easy to refresh your Car Powered Fragrance Diffuser, simply open the diffuser's child-safe cap and replace the refill. Plug the diffuser in to your car's 12v outlet to activate the fragrance refill inside, and enjoy car-filling, true-to-life fragrance for up to 60 days.