K&N Replacement Cabin Air FilterK&N washable cabin air filters are engineered to fit directly into your factory air box, offering excellent protection from environmental contaminants and odor causing particles. The thermally bonded high flow synthetic material acts as a physical barrier, helping trap dust, pollen, mold, bacteria, fungi, and other pollutants, and is specially pleated to increase the contaminant capturing surface area. Each filter is engineered to install easily into