POTAUTO MAP 3001C (CF8392A) Activated Carbon Car Cabin Air Filter Replacement for BUICK, CHEVROLET, OLDSMOBILE, PONTIAC Spec.: 11.1" (Length), 7.28" (Width), 1.14" (Height); Four-layer fabric (One Carbon Layer) ; Installation instructions included. Applications Where Used: BUICK (Allure 09-05, Century 05-97, LaCrosse 09-05, Regal 04-97); CHEVROLET (Impala 11-04, Monte Carlo 07-00); OLDSMOBILE (Intrigue 02-98); PONTIAC (Grand Prix 08-04) (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 #(for reference only, please check size): AIR QUALITEE AQ1001, ATP GA-1, AC-DELCO CF102, CF121, CF132, BALDWIN PA4115, PA4154, BOSCH P3720, CARQUEST 89780, CHAMP CAF1707, DEFENSE DC001, GROUP 7 C25245, HASTINGS AF1064, AF1136, MANN & HUMMEL MC 1001, MOBIL C25245, NAPA 4780, PUROLATOR C25245, QUAKER STATE C25245, SERVICE PRO MC25245, SHELL C25245, STP CAF7706, VALVOLINE CAF1706, E1AC1002, WARNER CAF1706, ECOGARD XC25245, Luber-finer CAF7706, FRAM CF8392A *** 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.