This International Conventional Filter hooks up to the air intake of your heater and air conditioning systems to stop clogging of your heater and air conditioning cores. These high quality truck filters filter 97% of all diesel soot, airborne dust, and dirt. Also, it diminishes odor as much as 76%. These truck filters are tough, so you can wash your truck without the need to take them off. The normal life of a truck filter is 6 months. Take advantage of quick installing, with no drilling needed.