Patent ID: 7935166

Claim:
An air filter cartridge comprising: (a) a media pack comprising a coiled pack of a fluted sheet secured to a facing sheet; (i) the media pack having opposite inlet and outlet ends; (ii) the media pack defining: (A) a set of inlet flutes open at the inlet end of the media pack to passage of air to be filtered therein; (B) a set of outlet flutes; and (C) the media pack being closed to flow of unfiltered air into the inlet end; and, then outwardly from the outlet end without filtering; (b) a preform mounted on, and sealed to, the media pack; the preform including: (i) a housing seal support section having: an interior surface, an opposite exterior surface, and an end; (ii) a skirt comprising an outwardly flared, diagonal, skirt extending radially outwardly from the housing seal support section and extending at an angle X with respect to the media outlet face within the range of 20°-70°; and, (iii) a media face cross-piece arrangement in engagement with the skirt; and, (c) a molded seal component including an air cleaner seal portion having a surface configured to form a radially outwardly directed seal with an air cleaner; (i) a portion of the molded seal component being positioned against a side of the preform skirt that is opposite the media pack.