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 Specifically developed for Off-Road Motocross ATVs UTVs and Side by Sides Pleated cotton media provides a large filtration area offering low restriction high-capacity and long service intervals Multiple layers of woven cotton gauze media offers excellent filtration Fits directly into OEM air box with 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 Washable: Yes Filter Material: Cotton Gauze Height: 76mm Base Inside Diameter: 130mm Base Outside Diameter: 160mm Top Outside Diameter: 138mm Filter Re-Oiling Amount: 19ml Fits: Kawasaki KLX400R 2003-2004 Suzuki DRZ400E 2000-2012 2014-2022 DRZ400S 2006-2016 DRZ400SM 2005-2022