All TYC cabin air filters are manufactured with superior material and processes, with workmanship and performance backed by a comprehensive product warranty. The filters come in two types: Particulate and Carbon. The type of TYC cabin air filter you receive for your car will based on the type that is chosen by the Original Equipment for optimum performance (dust loading capacity and pressure drop). All TYC cabin air filters have the quality and filter performance (dust loading capacity and pressure drop) that is comparable to or exceeding the Original Equipment. These high quality cabin air filters enable peak operating efficiency of the vehicle heating & air conditioning system and provides clean air by trapping airborne allergens, pollen, mold spores, and dust that aggravate respiratory problems; Typical filter removes 2-12 grams of particulate matter during its service life and replacement is recommended every 12 months or 12,000 miles.