K&N Air Filter Cleaning Kit: Aerosol Filter Cleaner and Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5000, Multi

K&N's four-step air filter maintenance system is designed to clean any K&N oiled cotton air filter-removing contaminants and build-up in order to help restore filter performance. POWER KLEEN industrial strength degreaser helps dissolve dirt, old filter oil, and other filter-clogging particulates, allowing them to be rinsed away easily with water. Please see complete instructions on the bottle.