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K&N air filter cleaner
K&N Air Filter Cleaner is the only cleaner recommended to clean K&N Air Filter elements. K&N Air Filter Cleaner works to dissolve dirt build up and old filter oil and can be washed away with water. It is environmentally friendly and safe on paint, chrome, cast aluminum, plastic, rubber and vinyl when used as directed. Do not use on polished or anodized aluminum. Bottle contains 12 fluid ounces (0.355 Liter).