Patent ID: 8409316

Claim:
An air filter cartridge comprising: (a) a media pack including opposite inlet and outlet ends: (i) the media pack comprising filter media defining a set of inlet flutes and a set of outlet flutes extending between the inlet and outlet ends; and (ii) the media pack being closed to flow of unfiltered air therethrough without passage through filter media of the media pack; (b) a preform positioned adjacent a first one of the inlet and outlet ends of the media pack; (i) the preform including a radial seal support and, (ii) the radial seal support having an outside surface; (c) a seal member positioned on the preform; the seal member including: (i) a radial seal region positioned adjacent the radial support outside surface; and (ii) a single, beveled, outer axial surface including a straight section at least 4 mm long extending at an angle, HE, of 30° to 60°, inclusive, relative to a plane perpendicular to a direction between the media pack opposite inlet and outlet ends; (iii) the beveled outer surface being positioned in extension between a portion of the radial seal region and the outer tip of the seal member.