POTAUTO MAP 2009C (CF10218) Activated Carbon Car Cabin Air Filter Replacement for MAZDA, 3, 5 Spec.: 9.21" (Length), 3.98" (Width), 0.87" (Height); Four-layer fabric (One Carbon Layer) ; Installation instructions included. Applications Where Used: MAZDA (3 09-04, 5 17-06) (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): BALDWIN PA4403, BECK/ARNLEY 042-2088, CHAMP CAF1839P, G K INDUSTRIES CF1122, HASTINGS AFC1366, KLEENER CAF1839P, LUBER-FINER CAF1839P, MAZDA BP4K-61-J6X, CE49-61-J6X, NAPA 4482, PARTS MASTER 94482, PRONTO PC-4482, PUROLATOR C15873, STP CAF1839P, Ecogard XC15873, Premium Guard PC4482, WIX 24482, MANN CU 22001-2, ATP CF-119, RA-67, FRAM CF10218 *** 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.