Elf 802039 Foam Air Filter Oil - 1 Liter Bottle Moto Air Filter Oil is a foam air filter penetrating oil specially developed to reduce the risk of breakdown and prolong engine life Resists both water and gasoline fogging wash out; will not migrate off the filter, or dry out Special solvent will not adversely effect either the foam element or the cement utilized to bond them together Filters water and dust 1 liter (1.05 quart) bottle