Patent ID: 8075658

Claim:
A filter element comprising: a zigzag-shaped fold pack comprised of fold sections of filter media, said fold sections joined along adjacent edges by fold edges, wherein each fold edge loins together two adjacent filter media fold sections; at least one terminal element having: a second leg having opposing first and second edges, said second leg secured to a fold end section of said filter media fold pack, a first leg arranged parallel to the fold edges of the fold pack, said first leg joined to said first edge of said second leg by a first fold, said first leg not joined to any other legs, and a third leg joined to said second edge of said second leg by a second fold, wherein the first leg is arranged substantially perpendicularly to a flow direction of a medium flowing through the filter element, wherein said first and third legs are not arranged on opposing faces of one of said fold sections, wherein the first, second and third legs are substantially flat without folds, wherein said first, second and third legs form a continuous folded sheet, wherein at least one lateral web is attached unitarily to ends of several of the fold sections of the fold pack, the ends result from cutting the fold pack in a direction traverse to the folds, wherein the third leg projects laterally away from the filter element to form a peripheral seal.