Price history on Walmart.com for
K&N Engineering 99-0621 Air Filter Clearner and Degreaser 32oz. Squirt
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K& N Power Kleen is the only cleaner recommended to clean K& N Air Filter elements. The use of any other cleaning solution can void the filters warranty and quite possibly could damage your engine and the filters cotton material. K& N Power Kleen works to dissolve dirt build up and old filter oil and can be washed away with water. It is now formulated to clean jobs around your garage as well.
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