Patent ID: 7662203

Claim:
A filter cartridge comprising: (a) first and second, opposite, end caps; (i) the first end cap being a molded-in-place end cap having an air flow exit aperture therethrough; (ii) the first end cap having a housing seal comprising an integrally molded portion of the first, molded, end cap; (iii) the first end cap comprising foamed polyurethane having an as-molded density of no greater than 28 lbs/cu·ft.; (b) filter media embedded in, and extending between, the first and second end caps; (i) the filter media defines a conical shape in extension between the first and second end caps with a larger diameter adjacent the first end cap; (c) an outer framework having a sidewall structure circumscribing the media at least at a location adjacent the first end cap; (i) the outer framework including an imperforate shield section adjacent the first end cap and extending an axial distance of at least 10% and not more than 40% of a distance between the first end cap and the second end cap; and (ii) the outer framework including a dust shield positioned and oriented as a circular, radially outwardly projecting, ring.