CLEANS ALL OILED K&N AIR FILTERS RESTORES PERFORMANCE: Helps restore your filter to exceptional performance by removing filter-clogging build-up INCLUDES POWER KLEEN: A powerful, highly effective degreaser that quickly dissolves filter build-up and old oil, allowing filter grime to be rinsed away with water INCLUDES K&N BLACK FILTER OIL: K&N red filter oil remains suspended in the pleats of the cotton filter material of High-Flow Air Filters, allowing for exceptional contaminant capture CLEANING STEPS: Spray on Power Kleen, Rinse with water, Allow filter to dry, Apply fresh filter oil RENEWED EFFICIENCY: Restores air flow efficiency so your K&N air filter performs like new