Why is the cabin air filters used?
It is an undisputed fact that roadways (especially major highways, especially during rush hours) are some of the major sources of air pollution. Therefore, as you are driving, you are forced to breathe the air tainted with exhaust fumes, dust and soot particles, many of which may pose a serious hazard to your health. The cabin air filter is there to filtering all those pollutants from circulating in the passenger compartment.
