The K&N Recharger Kit 99-5050 is crafted for maintaining your K&N oiled cotton air filter during servicing. Included in the kit are K&N Power Kleen air filter cleaner and K&N air filter oil. By using 99-5050, you can renew air flow efficiency, restoring your K&N oiled cotton air filter to a like-new condition. The Power Kleen works to dissolve accumulated dirt and old filter oil, easily rinsed away with water. After thorough drying, reapply the air filter oil and reinstall it. This Recharger Kit provides an 8-ounce squeeze bottle of oil and a 12-ounce K&N pump bottle of Power Kleen air filter cleaner.