Outlaw Racing Super Seal Air Filter Made In USA Polaris Magnum 425 2x4, Polaris Magnum 425 4x4, Scrambler 400 2x4, Sport 400L Superseal greaseless filters make the chore of servicing airfilters a breeze . Superseal neoprene gasket base seals perfectly even in the most extreme conditions without the hassle of messy grease . Extra wide sealing ring for air tight seal. Constructed with bonded dual layer foam.