Repair 2000-2004 Ford Focus Air Cleaner Box for Under $25 : 9 Steps (with Pictures) - Instructables
TRY SAMPLE 7M51 9601 AC Car Motor Auto Ford Focus 09 Air Filter Cleaner Motorcraft Der Luftfilter From Sycarsparts, $13.87 | DHgate.Com
Amazon.com: Bosch Automotive 6043C HEPA Cabin Air Filter for 2013-2018 Ford C-Max, 2013-2019 Ford Escape, 2012-2018 Ford Focus, 2017-2019 Ford GT, 2014-2020 Ford Transit Connect, 2015-2019 Lincoln MKC : Automotive
How to Replace Ford Focus Engine Air Filter - YouTube
Amazon.com: PG Engine Air FIlter PA6149 | Fits 2008-18 Ford Focus, 2013-19 Escape, 2014-16 Transit Connect, 2015-19 Lincoln MKC : Automotive
2pc Car Pollen Cabin Air Conditioning Filter For Ford Focus Transit Connect Tourneo Connect 2002 - 2013 Activated Carbon - Cabin Filter - AliExpress
C36174 CF11920 Cabin Air Filter for Ford C-Max Escape Focus Gt Transit Connect | eBay
FSWERKS Green Cool-Flo Air Intake System - Ford Focus Duratec TiVCT 2.0L 2012-2015
MANN FILTER Package MANNOL Air conditioning cleaner Ford Focus DAW DBW 1.8 TDCi | eBay