K&N AIR FILTERS. Ideal for extended use in dirty and dusty off-road riding and provides clean carburetion even at high altitudes. K&N replacement air filters are washable and reusable and provide high air flow with excellent filtration.Additonal Fitment:1996-1998 POLARIS 400 Xplorer 400L1994-1995 POLARIS 400 Sport 400L 2x41992-1992 POLARIS 350 Trail Boss 350 2x41996-2000 POLARIS 250 Trail Blazer 2502000-2000 POLARIS 250 Xplorer 250 4x41996-1997 POLARIS 400 Big Boss 6x6 400L1996-1999 POLARIS 250 Trail Boss 2501996-1999 POLARIS 300 Xpress 3001996-1999 POLARIS 300 Xplorer 300 4x41994-1996 POLARIS 400 Sportsman 400 4x4