POTAUTO MAP 1028C (CF11663) Activated Carbon Car Cabin Air Filter Replacement for BUICK, Enclave, CHEVROLET, GMC, Traverse, Acadia, SATURN, Outlook Spec.: 9.3" (Length), 6.69" (Width), 0.75" (Height); Four-layer fabric (One Carbon Layer) ; Installation instructions included. Applications Where Used: BUICK (Enclave 15-08); CHEVROLET/GMC (Traverse 15-09, Acadia 2007,15-11); SATURN (Outlook 10-07) (See Amazon Part Finder for fitments to your cars) ***ATTENTION: Acadia (some models are build without cabin filter) 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): AC-DELCO CF179C, CARQUEST 90295C, GENERAL MOTORS 20958479, PRONTO PC-6205C, PUROLATOR C26205C, SERVICE CHAMP C26205, Cleenaire CAF11663, Ecogard XC26205C, ATP GA-22, FRAM CF11663 *** 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.