Outlaw Racing Air Filter Super Seal Performance Made In USA TRX400EX TRX650 TRX680 RINCON 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.