Patent ID: 8147576

Claim:
A filter element, comprising: a zigzag-folded filter medium ( 10 ) arranged in a tubular concentric shape; a first end plate ( 11 ) arranged at an axial end face of said concentric filter medium, said first end plate having a central portion that is either open or closed; and a second end plate ( 12 ) arranged at an opposing axial end face of said filter medium and having a concentric opening ( 13 ) therethrough; wherein said second end plate extends substantially in a circular shape about the folds of the filter medium; and wherein the end plate ( 12 ) has an axially outwardly extending double stay ( 14 ) as well as a V-shaped seal arranged between the stays ( 14 a , 14 b ) which encloses the inwards axially circumferentially extending sealing stay ( 20 ) of a housing ( 26 ) receiving the filter element.