Element, Air REFINER. Filter, CLEAN Air.
The Secret to Clean Air
Cabin Air Filter - Repair or ReplaceIf the air coming out of your vents smells a little funny—like mildew or funk—or if your windshield fogs up with the A/C on, your 2002 Toyota 4Runner may have a clogged cabin filter. Many manufacturers recommend replacing the cabin filter, or pollen filter, as part of its scheduled maintenance.