Patent ID: 8608818

Claim:
An air filter arrangement comprising: (a) a straight through flow media construction comprising a fluted media sheet secured to a second media sheet and having a coiled construction; the media construction having a plurality of flutes, an inlet face, an opposite outlet face, and an outer surface; (i) said plurality of flutes comprising inlet flutes and outlet flutes; (A) said inlet flutes being open adjacent to said inlet face and closed adjacent to said outlet face; and said outlet flutes being closed adjacent to said inlet face and open adjacent to said outlet face; (B) the media construction being closed to passage of unfiltered air therethrough without filtering passage through the media; (ii) said coiled construction have a round shape; and (b) a seal member secured to said outer surface of said coiled media construction; (i) said seal member including a gasket extension having: first and second opposite ends; an attachment portion; and, a protrusion extending from the attachment portion; (A) said attachment portion including an attachment surface securing said gasket extension to said outer surface of said coiled construction; (B) said protrusion extending from the attachment portion to permit portions of a housing to squeeze the protrusion and form an axial seal; said protrusion including first and second portions with a land therebetween.