Patent ID: 8246707

Claim:
A filter arrangement comprising: (a) a media construction comprising alternating layers of fluted sheet and flat sheet; the media construction having a plurality of flutes, an inlet face, an outlet face, and an outer surface; (i) the plurality of flutes comprise inlet flutes and outlet flutes wherein unfiltered air enters the media construction through the inlet flutes, and filtered air exits the media construction through the outlet flutes, so that the unfiltered air passes through the fluted sheet or the flat sheet; (b) a seal member secured to the outer surface of said media construction; (i) the seal member including a protrusion provided spaced from both the inlet face and the outlet face of the media construction; and (ii) the protrusion having an attachment surface that provides secure attachment to the outer surface of the media construction, a land parallel to the attachment surface, and an incline extending from the land toward the outlet face of the media construction and not extending to the attachment surface.