FRAM CF8921A Fresh Breeze Cabin Air Filter with Arm & Hammer Filters up to 98% of dust, pollen, and other contaminants Arm & Hammer baking soda combined with carbon cleans the outside air flowing through the ventilation system Provides more air flow for improved performance and helps prevent musty odors from forming inside the vehicle Keeps damaging particles from entering the engine and causing increased engine wear Installation instructions are included in every box, along with QR codes to installation videos