CPC B01D 46/2411 (2013.01) [B01D 46/0005 (2013.01); B01D 2265/021 (2013.01); B01D 2271/027 (2013.01); B01D 2279/60 (2013.01)] | 25 Claims |
1. A filter cartridge comprising:
filter media;
a contoured end member including a contoured alignment portion and a contoured seal portion;
wherein the contoured seal portion of the contoured end member has a plurality of axially extending projections that form a wave profile and define a radially facing seal surface and the contoured alignment portion of the contoured end member includes at least one alignment projection extending axially that is radially offset from the radially facing seal surface provided by the wave profile;
the contoured seal portion includes a plurality of axially extending projections, the axially extending projections of the contoured seal portion having tips that are spaced axially away from the filter media a first axial distance;
the at least one alignment projection has a tip that is spaced axially away from the filter media a second axial distance different than the first axial distance.
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