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: 5.313in (135mm) Inside Diameter: 2.938in (75mm) Outside Diameter: 4.313in (110mm) Washable: Yes Filter Re-Oiling Amount: 0.63oz (19ml) Fits: Kawasaki KVF360 PRAIRIE 2003-2009