K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration. Features Designed to provide increased horsepower and acceleration Pleated cotton media provides a large filtration area offering low restriction high-capacity and long service intervals Multiple layers of woven cotton gauze media offer excellent filtration Fits directly into OEM airbox with an application-specific sealing bead ensuring a precise fit No fuel management modifications are required to obtain increased performance Washable & reusable most are pre-oiled and ready to ride Specifications Filter Material: Cotton Gauze Height: 3.563in (90mm) Inside Diameter: 2in (51mm) Outside Diameter: 4.5in (114mm) Washable: Yes Flange Length: 0.625in (16mm) Filter Re-Oiling Amount: 0.57oz (17ml) Fits: Kawasaki KLF220 BAYOU 2WD 1988-2002 KLF250 BAYOU 2003-2007 KLF300B BAYOU 1989-1991