99-5000EU 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, and 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 a 204 milliliter aerosol spray can of oil and a 355 milliliter K&N pump bottle of Power Kleen air filter cleaner.