Filter elements and related filter assembly

A filter assembly comprising:

• a) a filter element comprising a flexible filter media pack arranged in a tubular manner around an axis, a first open end cap connected to a first axial end of the filter media pack in a fluid tight manner, and a second open end cap connected to a second axial end of the filter media pack in a fluid tight manner, wherein the second open end cap comprises a central opening and a second circumferential seal comprising a radially inwardly extending portion that extends into the central opening of the second end cap, the radially inwardly extending portion comprising at least one circumferential groove, trench, or recess arranged adjacent to the central opening, the groove, trench, or recess projecting into an inner volume of the filter media pack;
• and
• b) a filter housing having a housing axis and receiving the filter element along the housing axis, the filter housing comprising a housing cover, the housing cover comprising a filter media pack inner support structure having a conical shape protruding from an inner surface extending from a proximate end at the housing cover to towards a distal end, wherein the filter housing comprises a first end and a second end, the first end comprising a filter insertion opening and being adapted for receiving the cover, the second end arranged at an opposite end of the first end and comprising an outlet opening, and the second end further comprising a sealing surface complementary to the second circumferential seal, for receiving the second circumferential seal in a sealing manner.