Fram Extra Guard Oil Filter PH3593AFP Engineered for Conventional Motor Oil Cellulose and Glass blended media provides protection for oil change intervals up to 5,000 miles 95% filtration efficiency With an ideal balance of dirt-trapping efficiency and dirt-holding capacity, FRAM Extra Guard oil filters use a special blend of fibers and resin to create a proprietary filter media that delivers excellent engine protection Extra Guard is the perfect filter for everyday drivers who perform frequent maintenance on their vehicles