A filtration system for a lubrication system is described. The filtration system includes an open full flow filter element and a fine filter element connected by an insert. The full flow filter element provides low restriction and long life. The fine filter element provides high efficiency. The insert connects the full flow filter element and the fine filter element. Additionally, the insert seals the interfaces between the two filter elements. The insert is connected to two endplates - one from each filter element.
