These high tech filters can block particles larger than 3 microns. By contrast, a grain of sand is about 200 microns.
About forty percent of new vehicles come with cabin air filters, but the number is growing every year.
Cabin air filters can make for a very nice driving environment. Your car can be a haven during allergy season with very little dust and pollen getting into the cabin. However, the filter eventually gets clogged. When this happens, your heating and air conditioning flow can become restricted. The filter can even get kind of smelly.
Ask your Green & White Automotive adviser for the recommended replacement interval for your make and model car. It’s usually every year or 12,000 miles, but change it sooner if you drive in dusty conditions or if you start to notice an odor from your ventilation system.