Fram Extra Guard Oil Filters 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 filters are the perfect filter for everyday drivers who perform frequent maintenance on their vehicles Features include: * Engineered for conventional motor oil * Cellulose and glass blended media provides protection for up to 5,000 miles * 95 percent filtration efficiency * Internally lubricated sealing gasket for easier filter removal * Precision-molded nitrile anti-drain-back valve for start-up engine protection * Coil spring with glass fiber reinforced nylon poppet relief valve * Sure Grip coating provides a non-slip finish for easier installation and removal