There are many benefits of changing the Cabin Filter every 10,000 to 12,000 miles and even more often in highly polluted areas. Pollen Filters provide cars inside’s breathable air comparatively cleaner against the outside air’s pollens, dirt particles, and fumes of other road cars. It also filters unwanted outside and inside odours and enhances the well-being of drivers and passengers. We recommend that you check your Pollen Filter's size and shape with the picture and given information to ensure correct fitment.