You could save a lot of money by changing your own air filter for your car's cabin. It's so easy even your kid can do it! Watch a 13 year get the job done.

The cabin air filter serves to clean the air drawn in by your car’s ventilation system. A car may have multiple filters to achieve different objectives, such as to limit pollen or odors ...

Then, refer to your car manual or search online to locate the air filter housing. Unclip the housing that holds the engine air filter in place. A few clips or screws usually secure housings.