Positioned as the gateway used by the air conditioning system, stop a lot of unwanted material to enter the cockpit. From dust, pollen, insects, hair, seeds, by pebbles that can get in the air for cooling collection are all off the cabin filter.
Normally cabin filters are of two types: simple and active carbon. The single layers are made of special materials (from paper to the latest types of plastics), the activated carbon were between layers and the amount of activated carbon is effective in filtering various types of pathogens and bacteria or microorganisms that can contaminate the air inside the vehicle.
What happens as the cabin filter is clogged and gather materials mentioned above?
The air flow gradually decreases, leading in extreme cases to have the air conditioning on maximum fan speed and very little air vents out.
The period to be changed cabin filter varies according to the area moving vehicle (urban, dusty roads, country roads, passing through areas with contaminants – smoke, insects) can clog filters faster than foreseen in the vehicle manual.
Effects which indicates that the filter should be changed: misting windscreen and side windows, poor heating and cooling for more than running the fan, especially when automatically controlled climate systems.
To see how to replace the cabin filter select your car model from the right menu.