POTAUTO MAP 1002C (CF10133) Activated Carbon Car Cabin Air Filter Replacement for Toyota, Corolla, Matrix Spec.: 8.57" (Length), 7.84" (Width), 0.75" (Height); Four-layer fabric (One Carbon Layer) ; Installation instructions included. Applications Where Used: Toyota (Corolla 08-02, Matrix 08-03) (See Amazon Part Finder for fitments to your cars) Competitor Cross Reference Part Numbers (for reference only, please check size): AIR QUALITEE AQ1044, ATP RA-5, BALDWIN PA4332, BECK/ARNLEY 042-2025, BOSCH P3754, CHAMP CAF1764, DEFENSE DC044, G K INDUSTRIES CF1040, HASTINGS AF1205, AFC1205, KLEENER CAF1764, LUBER-FINER CAF1764, NAPA 4873, PARTS MASTER 94873, PRONTO PC-5491, PUROLATOR C35491, SERVICE PRO MC35491, STP CAF1764, TOYOTA 88568-02020, TYC 24873WIX 24873, ECOGARD XC35491, K&N VF2003, FRAM CF10133 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 *** 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. ***LEGAL DISCLAIMER: The Brand name & Model # (if listed) are for cross reference only. All Brands, Trademarks & Model Numbers remain the property of their respective owners.