Cabin filters still remain a huge area of untapped business potential for both garages and parts suppliers. The simple fact is most motorist are unaware of them and the fact that they need changing. Most garages are also slow to explain the benefits of doing so. There is one tried and trusted method of creating awareness about the benefits of changing a cabin filter and about the genuine health dangers of not doing so. Take an old cabin filter that has completed its full service term in a car. Place it in a clear bag and leave it on your counter. It will clearly show the dirt, dust, dead insects and contamination that the cabin filter blocks out, contamination that driver and passengers wil [ ... ]