The Volcano Car Diffuser by Hulla B Lu is the ultimate solution for freshening up your car with its powerful aromatherapy properties. Its sleek and compact design fits perfectly in your car's cup holder, while its volcano-inspired design adds a touch of style to your vehicle. With the ability to diffuse essential oils for up to 8 hours, you can enjoy a relaxing and refreshing ride every time. Say goodbye to stale air and hello to the Volcano Car Diffuser.