No Toil Fabric Air Filter Oil Spray Specifically formulated for use on fabric air filter elements Special nozzle tip provides even application while the wicking agent ensures complete coverage Filter oil formulated to trap dirt and stop it from entering your engine while maintaining consistent air flow (Micro-Flo Technology) Available in 6.5 oz. or 12 oz. aerosol To clean oil from filter element, use No-Toil Filter Cleaner