The K&N Recharger Kit is designed for cleaning your K&N oiled cotton air filter when it is time to be serviced. The kit comes with K&N Power Kleen air filter cleaner and K&N air filter oil. The kit will restore air flow efficiency and 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, then it can be washed away with water. After the air filter fully dries, re-oil your air filter then reinstall it. This Recharger Kit comes with an 8 ounce squeeze bottle of oil and a 12 ounce K&N pump bottle of Power Kleen air filter cleaner. Maintenance system for all K&N Filtercharger air filters. Restores air flow efficiency. Includes air filter cleaner and air filter oil. The air filter cleaner comes in a pump bottle and the oil comes in a squeeze bottle.