K&N Air Filter Cleaner is the only cleaner recommended to clean K&N cotton air filter elements. This air filter cleaner will bring your K&N oiled cotton air filter to like new condition. K&N Power Kleen works to dissolve the dirt build up and old filter oil, and can be washed away with water. It is so good at cleaning greasy dirt and grime that it can also be used as an industrial strength degreaser.
High performance cleaner and degreaser.
The only cleaner designed specifically for K&N cotton filters.