Patent ID: 8038756

Claim:
An air cleaner assembly comprising: (a) a housing defining an interior and having an air flow inlet and an air flow outlet; (i) the housing including a housing section and a housing piece; the housing includes a joint between the housing section and the housing piece; (b) an air filter cartridge removably positioned in the housing interior; the filter cartridge comprising: (i) a media pack comprising media surrounding an open interior; the media having first and second ends; (ii) a first end cap positioned on the media first end; (A) the first end cap having a central aperture therethrough; (B) the first end cap having a radially outwardly directed seal portion oriented to form a first releasable radial seal with the housing section; and, (C) the first end cap having a seal portion oriented to form a second radially outwardly directed releasable radial seal to the housing piece at an opposite side of the joint from the first releasable radial seal; and, (D) no portion of the first end cap being axially pinched between housing sections to form an axial seal; and, (iii) a second end cap positioned on the media second end; the second end cap being in a closed end cap.