FRAM Extra Guard Oil Filter: * 3x more engine protection * 95 percent dirt trapping efficiency * Ideal balance of dirt-trapping efficiency and dirt-holding capacity * Special blend of fibers and resin provide a proprietary filter media that delivers excellent engine protection * By adding microscopic synthetic fibers, small windows are created that trap the smaller dirt particles without affecting the flow of oil * Blending synthetic fibers with cellulose increases dirt-trapping efficiency and dirt-holding capacity for higher levels of engine protection * Model# PH6607