POTAUTO MAP 1036C (5-Pack) Heavy Activated Carbon Car Cabin Air Filter Replacement compatible with SUBARU, Crosstrek, Forester, Impreza, WRX, WRX STI, XV Crosstrek Spec.: 9.25" (Length), 8.66" (Width), 2.17" (Height); Four-layer fabric (One Carbon Layer) ; Installation instructions included. Applications Where Used: SUBARU (Crosstrek 17-16, Forester 18-09, Impreza 18-08, WRX 18-15, WRX STI 18-15, XV Crosstrek 15-13) (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): ATP RA-101, ATP CF-194, Auto Part Source AQ1149, DENSO 454-2001, TYC 800122P, Subaru 72880FG000, GKI CF1180, Premium Guard PC6115, Service Camp C36115, Warner WCAF1869, 90218P, F4030, 49359, PC6115, CAF218P, PTC 3690, Mobil / Luber Finer CAF1869P, 616-49359, 3603013, Ecogard XC36115, Wix 24030, Valvoline VCA-1055 *** 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. <span class="a-text-bold">FIT:</span><u>POTAUTO</u>PRODUCTS WITHOEM PARTS&#039; DIMENSION &amp;FUNDTIONS. <span class="a-text-bold">RELIABLE PART FINDER:</span>ENTER VEHICLES IN GARAGE (ONLINE),THEN FIND RIGHT PARTS. <span class="a-text-bold">UPGRADEDMATERIALS USED:</span>SAME AS OEM&#039;s OR BETTER MATERIALS USED. <span class="a-text-bold">INSTALLATION / SAVING:</span>INSTRUCTIONS INCLUDED. FOLLOW STEPS TO FINISH INSTALLATION. <span class="a-text-bold">SUBSCRIBE &amp; SAFE:</span> PARTS ARRIVE REGULARLY FOR ROUTINE MAINTENANCE. <span class="a-text-bold">CHOICES:</span>REGULAR WHITE FILTER orHEAVY ACTIVATED CARBON FILTER. <span class="a-text-bold">SHORTEST SUPPLY CHAIN:</span>FACTORY&gt;&gt;&gt;CUSTOMERS. 4 Layers. Natural activatedcarbon added. Remove mostdust, pollen, dirt particles and other airborne materials. Remove odors, like cigarette smell, vehicle exhaust. Fresh air into cabin. 3 Layers. Remove mostdust, pollen, dirt particles and other airborne materials. Clean air into cabin. For 90% of vehicles, takes less than <u>15</u> minutes to replace a cabin filter. Easy DIY for anypeople. Installation when vehicel shut down.