CABIN AIR FILTER
Nearly all late model vehicles are equipped with a cabin air filter, which should not be confused with the engine air filter. These days, drivers rarely roll down their windows—most vehicles have air conditioning, the windows insulate against noise, and the air in urban areas is often polluted. As a result, the cabin air needs to be filtered to remove pollen, mould, odours, smoke, dust, and other pollutants that can affect passengers’ health.
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