▼ Spec.: 9.45" (Length), 11.02" (Width), 1.38" (Height); Four-layer fabric (One Carbon Layer); Installation instructions included.

▼ Applications Where Used: AUDI (A4 09-18, A4 allroad 13-16, A4 Quattro 09-16, A5 10-17, A5 Quattro 08-17, Allroad 13-16, Q5 09-17, RS5 13-15, S4 10-16,2018, S5 08-18, S5 Sportback 2018, SQ5 14-17); PORSCH (Macan 15-16) (See Amazon Part Finder for fitments to your cars)

▼ Benefits: (1) Reducing at least 98% of these contaminants (Dust, 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 dust particles. (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): AUDI 8K0819439, 8K0819439A, BECK/ARNLEY 042-2150, CHAMP CAF1857P, KLEENER CAF1857P, LUBER-FINER CAF1857P, NAPA 4227, PUROLATOR C36071C, VW-AUDI-PORSCHE 8K0 819 439, 8K0 819 439A, WIX 24227, Ecogard XC36071C, ATP VA-12, TYC 800145C, MANN CUK 2450, FRAM CF11179

▼ *** 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.