K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. 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 and reusable, most are pre-oiled and ready to ride. Specifications: Filter Material: Cotton Gauze Flange Inside Diameter: 2.5in (64mm) Flange Length: 0.75in (19mm) Height: 6in (152mm) Outside Diameter: 5.563in (141mm) Washable: Yes Filter Re-Oiling Amount: 3.48oz (103ml)