AIR WICK Mini Bi-Colour Air Vent Membrane Diffuser. Flowers of Vanilla#Air Wick, the specialist in fragrances for the home, is now taking to the road.#A diffuser with a modern fashionable shape, for dressing up your vehicle with a subtle scent#Flowers of Vanilla scent, with a touch of sharpness.#Diffusion assured for 30 days after opening#Clips to air vent