| CPC B01D 46/2414 (2013.01) [B01D 2265/021 (2013.01); B01D 2265/06 (2013.01); B01D 2271/027 (2013.01); B01D 2279/60 (2013.01)] | 20 Claims |

|
1. An air filter cartridge for use within a housing assembly of an air cleaner, the filter cartridge comprising:
a) a media pack including filter media extending from a first end to a second end and forming a tubular shape having a hollow center; and
b) a first end cap operably arranged at the media pack first end, the first end cap including:
i) a seal member presenting an inner radial side defining a seal surface and presenting an outer radial side, the inner radial side and the outer radial side each having a generally polygonal shape formed by a plurality of flat sides and adjoining corner portions; and
ii) a seal support arrangement including a plurality of support members located adjacent the flat sides of the seal member outer radial side such that the corner portions of the outer radial side are unsupported by the plurality of support members.
|