Maxima Air Filter Cleaner is a heavy-duty emulsion-type cleaner designed to thoroughly clean both foam and fabric air filters without damaging foam cells, paper or glue. Maxima Air Filter Cleaner will remove oil and dirt from air filter elements and easily washes out with water. Highly effective emulsion formula contains no caustic chemicals. Rated #1 by Dirt Rider magazine as Best Overall Air Filter Cleaner! Ready-to-use! Usage: For use on motorcycles and ATV's. Grease and oil removal. Breaks down dirt. Cleans foam and fabric filter elements. Easily washes out with water. Caution: May cause some painted surfaces to discolor! Do Not use on plastic or Lexan® windshields! Flammable!