Air Filter For Kawasaki KDX200 1989-2006 KDX220R KDX220A 1997-2005 KDX250D 91-94Features: Using a special dual layer foam construction. The filter performs to allow maximum air flow in without sacrificing protection from particles and dirt. Resilient bonding agents prevent separation of foam components. Top quality materials and superior construction allow the filter to be used over and over again without any loss of performance. This will require oil prior to use. Supplied non oiled. Cheaper alternative to expensive original