WIX WP10278 Cabin Air Filter. WIX WP10278 WIX Cabin Air Filters remove pollen, dust, soot and other air borne contaminates from the air inside a vehicle for normal and severe driving conditions. Fits the following vehicles: 2008-2016 Mack CHU, 2005-2007 Mack CHN, 2005-2007 Mack CXN, 2008-2016 Mack CXU, 2008-2016 Mack GU7, 2004-2006 Mack DM, 2007 Mack CXP, 2008-2016 Mack GU8, 2004-2008 Mack CV, 2005-2007 Mack CT.