Patent ID: 8741017

Claim:
An air filter cartridge comprising: (a) a media pack having a rectangular shape with: an inlet flow face and an opposite outlet flow face; a first and second, opposite, sides; and, first and second, opposite, ends; (i) the media pack comprising a plurality of flutes extending in a direction between the inlet flow face and outlet flow face; and, (ii) the media pack being closed to air entering the inlet face and passing outwardly from the outlet flow face without filtering flow through media of the media pack; (b) a preform shell having: first and second, opposite, sides; an outlet end; an inlet end opposite the outlet end; and, first and second, open, side ends; (i) the media pack being positioned between the first and second, opposite, sides of the pre-form shell; (c) first and second, opposite, molded-in-place, side pieces; (i) the first, molded-in-place, side piece being positioned to close the first open side end of the preform shell and to close the first end of the media pack with the first open side end of the preform shell embedded in the first molded-in-place side piece; and, (ii) the second, molded-in-place, side piece being positioned to close the second open side end of the preform shell and to close the second end of the media pack with the second open side end of the preform shell embedded in the second molded-in-place side piece; and, (d) a housing seal arrangement positioned in at least partial overlap with the outlet flow face of the media pack; (i) the housing seal arrangement comprising a seal member defining at least one of an inwardly directed radial seal and an outwardly directed radial seal.