POTAUTO MAP 1031C (CF11668) Active Carbon Car Cabin Air Filter Replacement for CHRYSLER, 300, DODGE, Challenger, Charger Spec.: 10.87" (Length), 7.88" (Width), 1.1" (Height); Four-layer fabric (carbon at back, see photos) ; Installation instructions included. Applications Where Used: CHRYSLER (300 18-11); DODGE (Challenger 18-11, Charger 18-11) (See Amazon Part Finder for fitments to your cars) Benefits: (1) Reducing at least 98% of these contaminants (Dust, Pollen, Exhaust Gas, Particles of 5-100 microns...etc.) from the air passing through the filter & entering the interior of the vehicle. (2) Activated carbon cabin filter provide extra protection by absorbingthe airborne agents & allergens. (3) Increase safety through reduced deposits in the fan or on the windscreen, and protect HVAC air conditioning performance. Competitor Cross Reference Part Numbers (for reference only, please check size): CARQUEST 90284P, CHRYSLER 68071668AA, KLEENER CAF1898P, NAPA 4048, PUROLATOR C26176, SERVICE CHAMP C26176, TYC 800165P, WIX 24048, FRAM CF11668 *** Change filter every 12 months or 12, 000-15, 000 miles. Check & replace filter if peculiar smell / odors emit from the cabin air outlets, or if the vehicle HVAC system operates with poor performance, or humming, or weak air volume.