Unsurpassed in airflow, dirt stopping and overall performance Two-stage air filters come apart for maximum airflow and ultimate cleaning Most filters feature the Ultra Seal grease groove on the sealing surface Each fits in stock air box exactly like OEM filter Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely Made in the U.S.A. This item fits the following applications: 2008-2010 KTM 50 SX Mini 2007-2009 KTM 50 SX Junior 2001-2008 KTM 50 Mini Adventure 2001-2007 KTM 50 Sr Adventure 2001-2003 KTM 50 Jr Adventure