FRAM CF11819 Fresh Breeze Cabin Air Filter with Arm & Hammer Provides more air flow for improved performance Filters 98% of road dust and pollen ranging from 5-100 microns and helps protect heating and air conditioning units FRAM and Arm & Hammer combine technologies to provide premium cabin air filtration and help prevent musty odors from forming inside vehicles Installation instructions are included in every box along with QR codes that take you to installation videos on your mobile device Keeps damaging particles from entering your engine and causing increased engine wear