The only oil designed specifically for K&N filters Specially formulated to improve air filter performance Quickly penetrates and saturates the filter pleats Available in aerosol spray, squeeze bottle, 1/2 Oz. pillow packs and bulk sizes K&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N Filtercharger elements providing a superior air filtration system. When used as directed, it quickly penetrates the filter pleats, where it remains suspended in the cotton fabric.
