Patent ID: 8685130

Claim:
An air filter cartridge comprising: (a) a media pack having first and second, opposite, flow faces; (i) the media pack comprising a stack of strips of single facer filter media material, each strip including a fluted media sheet secured to a facing media sheet and oriented with flutes of each fluted sheet extending in a direction between the first and second, opposite, flow faces; (ii) the first flow face comprising a planar inlet flow face with a non-rectangular perimeter shape; (iii) the media pack having a cut side resulting from cutting through a stack of strips of fluted media secured to facing media, the stack, prior to cutting, having first and second seal beads therein; the cut extending along a direction of the flutes in a direction between the first and second opposite flow faces and with a cut plane non-parallel to an opposite side of the media pack; and, (b) sealant applied to, and covering, the cut side.