Did you know dirty air enters your vehicle cabin while you drive? But now there's no need to breathe in dirty air or microscopic particles while you drive. Traditional cabin air filters can help with odors, but FRAM's TrueAir Premium Cabin Air Filter, CV11809, features N95 grade filter media* that actually cleans the air entering your vehicle's cabin. FRAM TrueAir dual layer media offers bacteria†† and virus† trapping to capture 95% of airborne particles as small as 0.3 micron. This FRAM premium filter has a second layer that also traps 99% of dirt, dust, pollen, and allergens from entering your vehicle's cabin. And, did you know cabin air filters are simple to replace? No need to pay expensive dealer prices to change your cabin air filter. You can tackle this easy DIY project in about 15 minutes! Breathe in clean air while you drive with FRAM TrueAir Premium Cabin Air Filters. FRAM recommends changing your cabin air filter every 12 months.