Patent ID: 8361181

Claim:
An air filter cartridge for removably positioning in an air cleaner housing for use; the air filter cartridge comprising: (a) a media pack comprising media surrounding an open interior and having first and second ends; (b) a first end cap on a first end of the media; (c) an air inlet tube section separate from the air cleaner housing and extending through the first end cap to define a central air flow inlet aperture; (i) the air inlet tube section comprising a pre-form non-removably secured to a remainder of the first end cap as part of the air filter cartridge; (d) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture and the air inlet tube section; (i) the air inlet tube section projecting at least 10 mm beyond the first end of the media; and, (ii) the axial seal ring having a tip remote from, and in overlap with, the media; the tip being positioned for releasable sealing with an air cleaner; in use; and, (e) a second end cap on the second end of the media.